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Finding the Fourth Proportional to 59,488.90, 89,058.03 and 52,107.78

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Solution

The fourth proportional to 59,488.90, 89,058.03 and 52,107.78 is: 78,008.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,488.90 : 89,058.03 = 52,107.78 : x
  2. Step 2: Convert to fraction form
    59,488.90/89,058.03 = 52,107.78/x
  3. Step 3: Cross multiply
    59,488.90x = 89,058.03 × 52,107.78
  4. Step 4: Simplify right side
    59,488.90x = 4,640,616,234.47
  5. Step 5: Solve for x
    x = 4,640,616,234.47/59,488.90
  6. Step 6: Final answer
    x = 78,008.10

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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.