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Finding the Fourth Proportional to 96,699.92, 133,455.48 and 64,934.96

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Solution

The fourth proportional to 96,699.92, 133,455.48 and 64,934.96 is: 89,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,699.92 : 133,455.48 = 64,934.96 : x
  2. Step 2: Convert to fraction form
    96,699.92/133,455.48 = 64,934.96/x
  3. Step 3: Cross multiply
    96,699.92x = 133,455.48 × 64,934.96
  4. Step 4: Simplify right side
    96,699.92x = 8,665,926,255.58
  5. Step 5: Solve for x
    x = 8,665,926,255.58/96,699.92
  6. Step 6: Final answer
    x = 89,616.68

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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.