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Finding the Fourth Proportional to 165,346.32, 247,873.96 and 65,576.56

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Solution

The fourth proportional to 165,346.32, 247,873.96 and 65,576.56 is: 98,307.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,346.32 : 247,873.96 = 65,576.56 : x
  2. Step 2: Convert to fraction form
    165,346.32/247,873.96 = 65,576.56/x
  3. Step 3: Cross multiply
    165,346.32x = 247,873.96 × 65,576.56
  4. Step 4: Simplify right side
    165,346.32x = 16,254,721,610.38
  5. Step 5: Solve for x
    x = 16,254,721,610.38/165,346.32
  6. Step 6: Final answer
    x = 98,307.13

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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.