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Finding the Fourth Proportional to 136,462.68, 204,885.30 and 69,950.52

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Solution

The fourth proportional to 136,462.68, 204,885.30 and 69,950.52 is: 105,023.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,462.68 : 204,885.30 = 69,950.52 : x
  2. Step 2: Convert to fraction form
    136,462.68/204,885.30 = 69,950.52/x
  3. Step 3: Cross multiply
    136,462.68x = 204,885.30 × 69,950.52
  4. Step 4: Simplify right side
    136,462.68x = 14,331,833,275.36
  5. Step 5: Solve for x
    x = 14,331,833,275.36/136,462.68
  6. Step 6: Final answer
    x = 105,023.83

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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.