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Finding the Fourth Proportional to 71,024.80, 106,695.60 and 59,360.80

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Solution

The fourth proportional to 71,024.80, 106,695.60 and 59,360.80 is: 89,173.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,024.80 : 106,695.60 = 59,360.80 : x
  2. Step 2: Convert to fraction form
    71,024.80/106,695.60 = 59,360.80/x
  3. Step 3: Cross multiply
    71,024.80x = 106,695.60 × 59,360.80
  4. Step 4: Simplify right side
    71,024.80x = 6,333,536,172.48
  5. Step 5: Solve for x
    x = 6,333,536,172.48/71,024.80
  6. Step 6: Final answer
    x = 89,173.59

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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.