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Finding the Fourth Proportional to 118,229.40, 177,360.30 and 39,335.40

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Solution

The fourth proportional to 118,229.40, 177,360.30 and 39,335.40 is: 59,008.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,229.40 : 177,360.30 = 39,335.40 : x
  2. Step 2: Convert to fraction form
    118,229.40/177,360.30 = 39,335.40/x
  3. Step 3: Cross multiply
    118,229.40x = 177,360.30 × 39,335.40
  4. Step 4: Simplify right side
    118,229.40x = 6,976,538,344.62
  5. Step 5: Solve for x
    x = 6,976,538,344.62/118,229.40
  6. Step 6: Final answer
    x = 59,008.49

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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.