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Finding the Fourth Proportional to 62,069.70, 92,402.46 and 61,700.64

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Solution

The fourth proportional to 62,069.70, 92,402.46 and 61,700.64 is: 91,853.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,069.70 : 92,402.46 = 61,700.64 : x
  2. Step 2: Convert to fraction form
    62,069.70/92,402.46 = 61,700.64/x
  3. Step 3: Cross multiply
    62,069.70x = 92,402.46 × 61,700.64
  4. Step 4: Simplify right side
    62,069.70x = 5,701,290,919.57
  5. Step 5: Solve for x
    x = 5,701,290,919.57/62,069.70
  6. Step 6: Final answer
    x = 91,853.04

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.