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Finding the Fourth Proportional to 124,494.96, 171,817.44 and 69,309.84

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Solution

The fourth proportional to 124,494.96, 171,817.44 and 69,309.84 is: 95,655.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,494.96 : 171,817.44 = 69,309.84 : x
  2. Step 2: Convert to fraction form
    124,494.96/171,817.44 = 69,309.84/x
  3. Step 3: Cross multiply
    124,494.96x = 171,817.44 × 69,309.84
  4. Step 4: Simplify right side
    124,494.96x = 11,908,639,275.61
  5. Step 5: Solve for x
    x = 11,908,639,275.61/124,494.96
  6. Step 6: Final answer
    x = 95,655.59

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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.