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Finding the Fourth Proportional to 252,177.38, 378,265.38 and 74,698.23

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Solution

The fourth proportional to 252,177.38, 378,265.38 and 74,698.23 is: 112,047.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,177.38 : 378,265.38 = 74,698.23 : x
  2. Step 2: Convert to fraction form
    252,177.38/378,265.38 = 74,698.23/x
  3. Step 3: Cross multiply
    252,177.38x = 378,265.38 × 74,698.23
  4. Step 4: Simplify right side
    252,177.38x = 28,255,754,356.28
  5. Step 5: Solve for x
    x = 28,255,754,356.28/252,177.38
  6. Step 6: Final answer
    x = 112,047.14

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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.