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Finding the Fourth Proportional to 69,384.75, 95,753.29 and 42,522.08

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Solution

The fourth proportional to 69,384.75, 95,753.29 and 42,522.08 is: 58,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,384.75 : 95,753.29 = 42,522.08 : x
  2. Step 2: Convert to fraction form
    69,384.75/95,753.29 = 42,522.08/x
  3. Step 3: Cross multiply
    69,384.75x = 95,753.29 × 42,522.08
  4. Step 4: Simplify right side
    69,384.75x = 4,071,629,090.91
  5. Step 5: Solve for x
    x = 4,071,629,090.91/69,384.75
  6. Step 6: Final answer
    x = 58,681.90

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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.