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Finding the Fourth Proportional to 119,592.56, 165,050.64 and 65,883.04

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Solution

The fourth proportional to 119,592.56, 165,050.64 and 65,883.04 is: 90,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,592.56 : 165,050.64 = 65,883.04 : x
  2. Step 2: Convert to fraction form
    119,592.56/165,050.64 = 65,883.04/x
  3. Step 3: Cross multiply
    119,592.56x = 165,050.64 × 65,883.04
  4. Step 4: Simplify right side
    119,592.56x = 10,874,037,917.15
  5. Step 5: Solve for x
    x = 10,874,037,917.15/119,592.56
  6. Step 6: Final answer
    x = 90,925.71

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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.