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Finding the Fourth Proportional to 96,655.52, 133,081.49 and 87,798.17

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Solution

The fourth proportional to 96,655.52, 133,081.49 and 87,798.17 is: 120,886.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,655.52 : 133,081.49 = 87,798.17 : x
  2. Step 2: Convert to fraction form
    96,655.52/133,081.49 = 87,798.17/x
  3. Step 3: Cross multiply
    96,655.52x = 133,081.49 × 87,798.17
  4. Step 4: Simplify right side
    96,655.52x = 11,684,310,178.48
  5. Step 5: Solve for x
    x = 11,684,310,178.48/96,655.52
  6. Step 6: Final answer
    x = 120,886.12

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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.