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Finding the Fourth Proportional to 118,507.19, 177,734.45 and 34,248.96

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Solution

The fourth proportional to 118,507.19, 177,734.45 and 34,248.96 is: 51,365.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,507.19 : 177,734.45 = 34,248.96 : x
  2. Step 2: Convert to fraction form
    118,507.19/177,734.45 = 34,248.96/x
  3. Step 3: Cross multiply
    118,507.19x = 177,734.45 × 34,248.96
  4. Step 4: Simplify right side
    118,507.19x = 6,087,220,154.29
  5. Step 5: Solve for x
    x = 6,087,220,154.29/118,507.19
  6. Step 6: Final answer
    x = 51,365.83

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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.