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Finding the Fourth Proportional to 96,658.92, 133,322.04 and 68,038.20

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Solution

The fourth proportional to 96,658.92, 133,322.04 and 68,038.20 is: 93,845.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,658.92 : 133,322.04 = 68,038.20 : x
  2. Step 2: Convert to fraction form
    96,658.92/133,322.04 = 68,038.20/x
  3. Step 3: Cross multiply
    96,658.92x = 133,322.04 × 68,038.20
  4. Step 4: Simplify right side
    96,658.92x = 9,070,991,621.93
  5. Step 5: Solve for x
    x = 9,070,991,621.93/96,658.92
  6. Step 6: Final answer
    x = 93,845.36

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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.