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Finding the Fourth Proportional to 67,700.88, 93,329.28 and 47,495.16

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Solution

The fourth proportional to 67,700.88, 93,329.28 and 47,495.16 is: 65,474.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,700.88 : 93,329.28 = 47,495.16 : x
  2. Step 2: Convert to fraction form
    67,700.88/93,329.28 = 47,495.16/x
  3. Step 3: Cross multiply
    67,700.88x = 93,329.28 × 47,495.16
  4. Step 4: Simplify right side
    67,700.88x = 4,432,689,086.28
  5. Step 5: Solve for x
    x = 4,432,689,086.28/67,700.88
  6. Step 6: Final answer
    x = 65,474.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.