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Finding the Fourth Proportional to 113,468.10, 169,874.10 and 110,187.60

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Solution

The fourth proportional to 113,468.10, 169,874.10 and 110,187.60 is: 164,962.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,468.10 : 169,874.10 = 110,187.60 : x
  2. Step 2: Convert to fraction form
    113,468.10/169,874.10 = 110,187.60/x
  3. Step 3: Cross multiply
    113,468.10x = 169,874.10 × 110,187.60
  4. Step 4: Simplify right side
    113,468.10x = 18,718,019,381.16
  5. Step 5: Solve for x
    x = 18,718,019,381.16/113,468.10
  6. Step 6: Final answer
    x = 164,962.83

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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.