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Finding the Fourth Proportional to 71,061.60, 106,592.40 and 58,101.60

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Solution

The fourth proportional to 71,061.60, 106,592.40 and 58,101.60 is: 87,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,061.60 : 106,592.40 = 58,101.60 : x
  2. Step 2: Convert to fraction form
    71,061.60/106,592.40 = 58,101.60/x
  3. Step 3: Cross multiply
    71,061.60x = 106,592.40 × 58,101.60
  4. Step 4: Simplify right side
    71,061.60x = 6,193,188,987.84
  5. Step 5: Solve for x
    x = 6,193,188,987.84/71,061.60
  6. Step 6: Final answer
    x = 87,152.40

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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.