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Finding the Fourth Proportional to 67,696.80, 101,314.80 and 59,402.40

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Solution

The fourth proportional to 67,696.80, 101,314.80 and 59,402.40 is: 88,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,696.80 : 101,314.80 = 59,402.40 : x
  2. Step 2: Convert to fraction form
    67,696.80/101,314.80 = 59,402.40/x
  3. Step 3: Cross multiply
    67,696.80x = 101,314.80 × 59,402.40
  4. Step 4: Simplify right side
    67,696.80x = 6,018,342,275.52
  5. Step 5: Solve for x
    x = 6,018,342,275.52/67,696.80
  6. Step 6: Final answer
    x = 88,901.43

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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.