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Finding the Fourth Proportional to 78,504.52, 108,333.92 and 44,516.10

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Solution

The fourth proportional to 78,504.52, 108,333.92 and 44,516.10 is: 61,430.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,504.52 : 108,333.92 = 44,516.10 : x
  2. Step 2: Convert to fraction form
    78,504.52/108,333.92 = 44,516.10/x
  3. Step 3: Cross multiply
    78,504.52x = 108,333.92 × 44,516.10
  4. Step 4: Simplify right side
    78,504.52x = 4,822,603,616.11
  5. Step 5: Solve for x
    x = 4,822,603,616.11/78,504.52
  6. Step 6: Final answer
    x = 61,430.90

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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.