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Finding the Fourth Proportional to 137,237.60, 205,875.60 and 58,351.20

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Solution

The fourth proportional to 137,237.60, 205,875.60 and 58,351.20 is: 87,534.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,237.60 : 205,875.60 = 58,351.20 : x
  2. Step 2: Convert to fraction form
    137,237.60/205,875.60 = 58,351.20/x
  3. Step 3: Cross multiply
    137,237.60x = 205,875.60 × 58,351.20
  4. Step 4: Simplify right side
    137,237.60x = 12,013,088,310.72
  5. Step 5: Solve for x
    x = 12,013,088,310.72/137,237.60
  6. Step 6: Final answer
    x = 87,534.96

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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.