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Finding the Fourth Proportional to 96,700.92, 133,456.86 and 64,935.96

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Solution

The fourth proportional to 96,700.92, 133,456.86 and 64,935.96 is: 89,618.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,700.92 : 133,456.86 = 64,935.96 : x
  2. Step 2: Convert to fraction form
    96,700.92/133,456.86 = 64,935.96/x
  3. Step 3: Cross multiply
    96,700.92x = 133,456.86 × 64,935.96
  4. Step 4: Simplify right side
    96,700.92x = 8,666,149,322.69
  5. Step 5: Solve for x
    x = 8,666,149,322.69/96,700.92
  6. Step 6: Final answer
    x = 89,618.06

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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.