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Finding the Fourth Proportional to 88,428.36, 132,559.16 and 44,013.13

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Solution

The fourth proportional to 88,428.36, 132,559.16 and 44,013.13 is: 65,978.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,428.36 : 132,559.16 = 44,013.13 : x
  2. Step 2: Convert to fraction form
    88,428.36/132,559.16 = 44,013.13/x
  3. Step 3: Cross multiply
    88,428.36x = 132,559.16 × 44,013.13
  4. Step 4: Simplify right side
    88,428.36x = 5,834,343,541.77
  5. Step 5: Solve for x
    x = 5,834,343,541.77/88,428.36
  6. Step 6: Final answer
    x = 65,978.19

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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.