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Finding the Fourth Proportional to 165,372.59, 247,913.25 and 65,602.85

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Solution

The fourth proportional to 165,372.59, 247,913.25 and 65,602.85 is: 98,346.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,372.59 : 247,913.25 = 65,602.85 : x
  2. Step 2: Convert to fraction form
    165,372.59/247,913.25 = 65,602.85/x
  3. Step 3: Cross multiply
    165,372.59x = 247,913.25 × 65,602.85
  4. Step 4: Simplify right side
    165,372.59x = 16,263,815,752.76
  5. Step 5: Solve for x
    x = 16,263,815,752.76/165,372.59
  6. Step 6: Final answer
    x = 98,346.50

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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.