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Finding the Fourth Proportional to 119,476.59, 164,882.08 and 65,763.87

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Solution

The fourth proportional to 119,476.59, 164,882.08 and 65,763.87 is: 90,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,476.59 : 164,882.08 = 65,763.87 : x
  2. Step 2: Convert to fraction form
    119,476.59/164,882.08 = 65,763.87/x
  3. Step 3: Cross multiply
    119,476.59x = 164,882.08 × 65,763.87
  4. Step 4: Simplify right side
    119,476.59x = 10,843,283,138.35
  5. Step 5: Solve for x
    x = 10,843,283,138.35/119,476.59
  6. Step 6: Final answer
    x = 90,756.55

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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.