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Finding the Fourth Proportional to 113,164.98, 169,725.60 and 107,545.20

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Solution

The fourth proportional to 113,164.98, 169,725.60 and 107,545.20 is: 161,297.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,164.98 : 169,725.60 = 107,545.20 : x
  2. Step 2: Convert to fraction form
    113,164.98/169,725.60 = 107,545.20/x
  3. Step 3: Cross multiply
    113,164.98x = 169,725.60 × 107,545.20
  4. Step 4: Simplify right side
    113,164.98x = 18,253,173,597.12
  5. Step 5: Solve for x
    x = 18,253,173,597.12/113,164.98
  6. Step 6: Final answer
    x = 161,297.02

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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.