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Finding the Fourth Proportional to 165,316.52, 247,834.65 and 65,547.20

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Solution

The fourth proportional to 165,316.52, 247,834.65 and 65,547.20 is: 98,265.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,316.52 : 247,834.65 = 65,547.20 : x
  2. Step 2: Convert to fraction form
    165,316.52/247,834.65 = 65,547.20/x
  3. Step 3: Cross multiply
    165,316.52x = 247,834.65 × 65,547.20
  4. Step 4: Simplify right side
    165,316.52x = 16,244,867,370.48
  5. Step 5: Solve for x
    x = 16,244,867,370.48/165,316.52
  6. Step 6: Final answer
    x = 98,265.24

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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.