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Finding the Fourth Proportional to 69,385.67, 95,754.54 and 42,522.98

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Solution

The fourth proportional to 69,385.67, 95,754.54 and 42,522.98 is: 58,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,385.67 : 95,754.54 = 42,522.98 : x
  2. Step 2: Convert to fraction form
    69,385.67/95,754.54 = 42,522.98/x
  3. Step 3: Cross multiply
    69,385.67x = 95,754.54 × 42,522.98
  4. Step 4: Simplify right side
    69,385.67x = 4,071,768,176.71
  5. Step 5: Solve for x
    x = 4,071,768,176.71/69,385.67
  6. Step 6: Final answer
    x = 58,683.13

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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.