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Finding the Fourth Proportional to 132,502.22, 198,837.12 and 120,047.36

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Solution

The fourth proportional to 132,502.22, 198,837.12 and 120,047.36 is: 180,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,502.22 : 198,837.12 = 120,047.36 : x
  2. Step 2: Convert to fraction form
    132,502.22/198,837.12 = 120,047.36/x
  3. Step 3: Cross multiply
    132,502.22x = 198,837.12 × 120,047.36
  4. Step 4: Simplify right side
    132,502.22x = 23,869,871,326.00
  5. Step 5: Solve for x
    x = 23,869,871,326.00/132,502.22
  6. Step 6: Final answer
    x = 180,146.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.