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Finding the Fourth Proportional to 119,374.40, 179,009.76 and 36,248.96

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Solution

The fourth proportional to 119,374.40, 179,009.76 and 36,248.96 is: 54,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,374.40 : 179,009.76 = 36,248.96 : x
  2. Step 2: Convert to fraction form
    119,374.40/179,009.76 = 36,248.96/x
  3. Step 3: Cross multiply
    119,374.40x = 179,009.76 × 36,248.96
  4. Step 4: Simplify right side
    119,374.40x = 6,488,917,629.85
  5. Step 5: Solve for x
    x = 6,488,917,629.85/119,374.40
  6. Step 6: Final answer
    x = 54,357.70

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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.