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Finding the Fourth Proportional to 123,011.69, 169,755.35 and 69,314.00

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Solution

The fourth proportional to 123,011.69, 169,755.35 and 69,314.00 is: 95,652.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,011.69 : 169,755.35 = 69,314.00 : x
  2. Step 2: Convert to fraction form
    123,011.69/169,755.35 = 69,314.00/x
  3. Step 3: Cross multiply
    123,011.69x = 169,755.35 × 69,314.00
  4. Step 4: Simplify right side
    123,011.69x = 11,766,421,134.55
  5. Step 5: Solve for x
    x = 11,766,421,134.55/123,011.69
  6. Step 6: Final answer
    x = 95,652.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.