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Finding the Fourth Proportional to 88,289.80, 132,629.10 and 62,045.80

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Solution

The fourth proportional to 88,289.80, 132,629.10 and 62,045.80 is: 93,205.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,289.80 : 132,629.10 = 62,045.80 : x
  2. Step 2: Convert to fraction form
    88,289.80/132,629.10 = 62,045.80/x
  3. Step 3: Cross multiply
    88,289.80x = 132,629.10 × 62,045.80
  4. Step 4: Simplify right side
    88,289.80x = 8,229,078,612.78
  5. Step 5: Solve for x
    x = 8,229,078,612.78/88,289.80
  6. Step 6: Final answer
    x = 93,205.31

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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.