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Finding the Fourth Proportional to 96,321.90, 132,866.10 and 63,616.52

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Solution

The fourth proportional to 96,321.90, 132,866.10 and 63,616.52 is: 87,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,321.90 : 132,866.10 = 63,616.52 : x
  2. Step 2: Convert to fraction form
    96,321.90/132,866.10 = 63,616.52/x
  3. Step 3: Cross multiply
    96,321.90x = 132,866.10 × 63,616.52
  4. Step 4: Simplify right side
    96,321.90x = 8,452,478,243.64
  5. Step 5: Solve for x
    x = 8,452,478,243.64/96,321.90
  6. Step 6: Final answer
    x = 87,752.40

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1.5x scale

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.