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Finding the Fourth Proportional to 98,932.66, 136,529.61 and 60,713.32

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Solution

The fourth proportional to 98,932.66, 136,529.61 and 60,713.32 is: 83,785.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,932.66 : 136,529.61 = 60,713.32 : x
  2. Step 2: Convert to fraction form
    98,932.66/136,529.61 = 60,713.32/x
  3. Step 3: Cross multiply
    98,932.66x = 136,529.61 × 60,713.32
  4. Step 4: Simplify right side
    98,932.66x = 8,289,165,901.41
  5. Step 5: Solve for x
    x = 8,289,165,901.41/98,932.66
  6. Step 6: Final answer
    x = 83,785.94

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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.