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Finding the Fourth Proportional to 118,356.80, 177,565.28 and 35,251.52

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Solution

The fourth proportional to 118,356.80, 177,565.28 and 35,251.52 is: 52,886.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,356.80 : 177,565.28 = 35,251.52 : x
  2. Step 2: Convert to fraction form
    118,356.80/177,565.28 = 35,251.52/x
  3. Step 3: Cross multiply
    118,356.80x = 177,565.28 × 35,251.52
  4. Step 4: Simplify right side
    118,356.80x = 6,259,446,019.23
  5. Step 5: Solve for x
    x = 6,259,446,019.23/118,356.80
  6. Step 6: Final answer
    x = 52,886.24

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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.