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Finding the Fourth Proportional to 175,418.60, 263,127.90 and 161,901.80

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Solution

The fourth proportional to 175,418.60, 263,127.90 and 161,901.80 is: 242,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,418.60 : 263,127.90 = 161,901.80 : x
  2. Step 2: Convert to fraction form
    175,418.60/263,127.90 = 161,901.80/x
  3. Step 3: Cross multiply
    175,418.60x = 263,127.90 × 161,901.80
  4. Step 4: Simplify right side
    175,418.60x = 42,600,880,640.22
  5. Step 5: Solve for x
    x = 42,600,880,640.22/175,418.60
  6. Step 6: Final answer
    x = 242,852.70

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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.