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Finding the Fourth Proportional to 175,092.80, 241,629.05 and 99,641.30

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Solution

The fourth proportional to 175,092.80, 241,629.05 and 99,641.30 is: 137,505.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,092.80 : 241,629.05 = 99,641.30 : x
  2. Step 2: Convert to fraction form
    175,092.80/241,629.05 = 99,641.30/x
  3. Step 3: Cross multiply
    175,092.80x = 241,629.05 × 99,641.30
  4. Step 4: Simplify right side
    175,092.80x = 24,076,231,700.72
  5. Step 5: Solve for x
    x = 24,076,231,700.72/175,092.80
  6. Step 6: Final answer
    x = 137,505.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.