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Finding the Fourth Proportional to 94,807.68, 142,244.16 and 42,253.44

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Solution

The fourth proportional to 94,807.68, 142,244.16 and 42,253.44 is: 63,394.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,807.68 : 142,244.16 = 42,253.44 : x
  2. Step 2: Convert to fraction form
    94,807.68/142,244.16 = 42,253.44/x
  3. Step 3: Cross multiply
    94,807.68x = 142,244.16 × 42,253.44
  4. Step 4: Simplify right side
    94,807.68x = 6,010,305,079.91
  5. Step 5: Solve for x
    x = 6,010,305,079.91/94,807.68
  6. Step 6: Final answer
    x = 63,394.71

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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.