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Finding the Fourth Proportional to 119,353.59, 164,708.55 and 65,642.04

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Solution

The fourth proportional to 119,353.59, 164,708.55 and 65,642.04 is: 90,586.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,353.59 : 164,708.55 = 65,642.04 : x
  2. Step 2: Convert to fraction form
    119,353.59/164,708.55 = 65,642.04/x
  3. Step 3: Cross multiply
    119,353.59x = 164,708.55 × 65,642.04
  4. Step 4: Simplify right side
    119,353.59x = 10,811,805,227.44
  5. Step 5: Solve for x
    x = 10,811,805,227.44/119,353.59
  6. Step 6: Final answer
    x = 90,586.34

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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.