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Finding the Fourth Proportional to 96,009.70, 132,472.18 and 55,700.12

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Solution

The fourth proportional to 96,009.70, 132,472.18 and 55,700.12 is: 76,853.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,009.70 : 132,472.18 = 55,700.12 : x
  2. Step 2: Convert to fraction form
    96,009.70/132,472.18 = 55,700.12/x
  3. Step 3: Cross multiply
    96,009.70x = 132,472.18 × 55,700.12
  4. Step 4: Simplify right side
    96,009.70x = 7,378,716,322.66
  5. Step 5: Solve for x
    x = 7,378,716,322.66/96,009.70
  6. Step 6: Final answer
    x = 76,853.86

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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.