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Finding the Fourth Proportional to 113,712.13, 170,568.20 and 63,827.27

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Solution

The fourth proportional to 113,712.13, 170,568.20 and 63,827.27 is: 95,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,712.13 : 170,568.20 = 63,827.27 : x
  2. Step 2: Convert to fraction form
    113,712.13/170,568.20 = 63,827.27/x
  3. Step 3: Cross multiply
    113,712.13x = 170,568.20 × 63,827.27
  4. Step 4: Simplify right side
    113,712.13x = 10,886,902,554.81
  5. Step 5: Solve for x
    x = 10,886,902,554.81/113,712.13
  6. Step 6: Final answer
    x = 95,740.91

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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.