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Finding the Fourth Proportional to 171,804.80, 257,901.60 and 101,723.60

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Solution

The fourth proportional to 171,804.80, 257,901.60 and 101,723.60 is: 152,700.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,804.80 : 257,901.60 = 101,723.60 : x
  2. Step 2: Convert to fraction form
    171,804.80/257,901.60 = 101,723.60/x
  3. Step 3: Cross multiply
    171,804.80x = 257,901.60 × 101,723.60
  4. Step 4: Simplify right side
    171,804.80x = 26,234,679,197.76
  5. Step 5: Solve for x
    x = 26,234,679,197.76/171,804.80
  6. Step 6: Final answer
    x = 152,700.50

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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.