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Finding the Fourth Proportional to 130,098.48, 179,655.48 and 104,609.04

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Solution

The fourth proportional to 130,098.48, 179,655.48 and 104,609.04 is: 144,456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,098.48 : 179,655.48 = 104,609.04 : x
  2. Step 2: Convert to fraction form
    130,098.48/179,655.48 = 104,609.04/x
  3. Step 3: Cross multiply
    130,098.48x = 179,655.48 × 104,609.04
  4. Step 4: Simplify right side
    130,098.48x = 18,793,587,293.54
  5. Step 5: Solve for x
    x = 18,793,587,293.54/130,098.48
  6. Step 6: Final answer
    x = 144,456.62

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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.