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Finding the Fourth Proportional to 119,462.82, 164,869.74 and 65,758.74

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Solution

The fourth proportional to 119,462.82, 164,869.74 and 65,758.74 is: 90,753.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,462.82 : 164,869.74 = 65,758.74 : x
  2. Step 2: Convert to fraction form
    119,462.82/164,869.74 = 65,758.74/x
  3. Step 3: Cross multiply
    119,462.82x = 164,869.74 × 65,758.74
  4. Step 4: Simplify right side
    119,462.82x = 10,841,626,366.53
  5. Step 5: Solve for x
    x = 10,841,626,366.53/119,462.82
  6. Step 6: Final answer
    x = 90,753.14

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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.