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Finding the Fourth Proportional to 96,158.64, 132,597 and 65,987.96

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Solution

The fourth proportional to 96,158.64, 132,597 and 65,987.96 is: 90,993.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,158.64 : 132,597 = 65,987.96 : x
  2. Step 2: Convert to fraction form
    96,158.64/132,597 = 65,987.96/x
  3. Step 3: Cross multiply
    96,158.64x = 132,597 × 65,987.96
  4. Step 4: Simplify right side
    96,158.64x = 8,749,805,532.12
  5. Step 5: Solve for x
    x = 8,749,805,532.12/96,158.64
  6. Step 6: Final answer
    x = 90,993.44

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Double scale
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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.