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Finding the Fourth Proportional to 69,934.58, 96,545.46 and 47,392.68

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Solution

The fourth proportional to 69,934.58, 96,545.46 and 47,392.68 is: 65,426.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,934.58 : 96,545.46 = 47,392.68 : x
  2. Step 2: Convert to fraction form
    69,934.58/96,545.46 = 47,392.68/x
  3. Step 3: Cross multiply
    69,934.58x = 96,545.46 × 47,392.68
  4. Step 4: Simplify right side
    69,934.58x = 4,575,548,091.23
  5. Step 5: Solve for x
    x = 4,575,548,091.23/69,934.58
  6. Step 6: Final answer
    x = 65,426.12

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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.