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Finding the Fourth Proportional to 171,041,234.80, 256,263,253.80 and 147,153,362.80

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Solution

The fourth proportional to 171,041,234.80, 256,263,253.80 and 147,153,362.80 is: 220,473,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,041,234.80 : 256,263,253.80 = 147,153,362.80 : x
  2. Step 2: Convert to fraction form
    171,041,234.80/256,263,253.80 = 147,153,362.80/x
  3. Step 3: Cross multiply
    171,041,234.80x = 256,263,253.80 × 147,153,362.80
  4. Step 4: Simplify right side
    171,041,234.80x = 37,709,999,558,739,880
  5. Step 5: Solve for x
    x = 37,709,999,558,739,880/171,041,234.80
  6. Step 6: Final answer
    x = 220,473,148.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.