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Finding the Fourth Proportional to 113,290.52, 169,566.14 and 83,296.80

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Solution

The fourth proportional to 113,290.52, 169,566.14 and 83,296.80 is: 124,673.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,290.52 : 169,566.14 = 83,296.80 : x
  2. Step 2: Convert to fraction form
    113,290.52/169,566.14 = 83,296.80/x
  3. Step 3: Cross multiply
    113,290.52x = 169,566.14 × 83,296.80
  4. Step 4: Simplify right side
    113,290.52x = 14,124,317,058.59
  5. Step 5: Solve for x
    x = 14,124,317,058.59/113,290.52
  6. Step 6: Final answer
    x = 124,673.43

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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.