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Finding the Fourth Proportional to 96,603.10, 133,340.98 and 67,931.52

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Solution

The fourth proportional to 96,603.10, 133,340.98 and 67,931.52 is: 93,765.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,603.10 : 133,340.98 = 67,931.52 : x
  2. Step 2: Convert to fraction form
    96,603.10/133,340.98 = 67,931.52/x
  3. Step 3: Cross multiply
    96,603.10x = 133,340.98 × 67,931.52
  4. Step 4: Simplify right side
    96,603.10x = 9,058,055,449.69
  5. Step 5: Solve for x
    x = 9,058,055,449.69/96,603.10
  6. Step 6: Final answer
    x = 93,765.68

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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.