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Finding the Fourth Proportional to 137,841.60, 206,762.40 and 58,963.80

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Solution

The fourth proportional to 137,841.60, 206,762.40 and 58,963.80 is: 88,445.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,841.60 : 206,762.40 = 58,963.80 : x
  2. Step 2: Convert to fraction form
    137,841.60/206,762.40 = 58,963.80/x
  3. Step 3: Cross multiply
    137,841.60x = 206,762.40 × 58,963.80
  4. Step 4: Simplify right side
    137,841.60x = 12,191,496,801.12
  5. Step 5: Solve for x
    x = 12,191,496,801.12/137,841.60
  6. Step 6: Final answer
    x = 88,445.70

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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.