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Finding the Fourth Proportional to 94,866, 130,942.38 and 62,624.16

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Solution

The fourth proportional to 94,866, 130,942.38 and 62,624.16 is: 86,439.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,866 : 130,942.38 = 62,624.16 : x
  2. Step 2: Convert to fraction form
    94,866/130,942.38 = 62,624.16/x
  3. Step 3: Cross multiply
    94,866x = 130,942.38 × 62,624.16
  4. Step 4: Simplify right side
    94,866x = 8,200,156,555.90
  5. Step 5: Solve for x
    x = 8,200,156,555.90/94,866
  6. Step 6: Final answer
    x = 86,439.36

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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.