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Finding the Fourth Proportional to 137,445.44, 206,143.80 and 62,548.16

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Solution

The fourth proportional to 137,445.44, 206,143.80 and 62,548.16 is: 93,811.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,445.44 : 206,143.80 = 62,548.16 : x
  2. Step 2: Convert to fraction form
    137,445.44/206,143.80 = 62,548.16/x
  3. Step 3: Cross multiply
    137,445.44x = 206,143.80 × 62,548.16
  4. Step 4: Simplify right side
    137,445.44x = 12,893,915,385.41
  5. Step 5: Solve for x
    x = 12,893,915,385.41/137,445.44
  6. Step 6: Final answer
    x = 93,811.15

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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.