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Finding the Fourth Proportional to 113,287.56, 169,920.30 and 34,402.47

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Solution

The fourth proportional to 113,287.56, 169,920.30 and 34,402.47 is: 51,600.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,287.56 : 169,920.30 = 34,402.47 : x
  2. Step 2: Convert to fraction form
    113,287.56/169,920.30 = 34,402.47/x
  3. Step 3: Cross multiply
    113,287.56x = 169,920.30 × 34,402.47
  4. Step 4: Simplify right side
    113,287.56x = 5,845,678,023.14
  5. Step 5: Solve for x
    x = 5,845,678,023.14/113,287.56
  6. Step 6: Final answer
    x = 51,600.35

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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.