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Finding the Fourth Proportional to 163,479.52, 245,217.69 and 96,871.69

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Solution

The fourth proportional to 163,479.52, 245,217.69 and 96,871.69 is: 145,306.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,479.52 : 245,217.69 = 96,871.69 : x
  2. Step 2: Convert to fraction form
    163,479.52/245,217.69 = 96,871.69/x
  3. Step 3: Cross multiply
    163,479.52x = 245,217.69 × 96,871.69
  4. Step 4: Simplify right side
    163,479.52x = 23,754,652,048.20
  5. Step 5: Solve for x
    x = 23,754,652,048.20/163,479.52
  6. Step 6: Final answer
    x = 145,306.59

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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.