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Finding the Fourth Proportional to 113,306.64, 169,982.64 and 63,457.62

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Solution

The fourth proportional to 113,306.64, 169,982.64 and 63,457.62 is: 95,199.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,306.64 : 169,982.64 = 63,457.62 : x
  2. Step 2: Convert to fraction form
    113,306.64/169,982.64 = 63,457.62/x
  3. Step 3: Cross multiply
    113,306.64x = 169,982.64 × 63,457.62
  4. Step 4: Simplify right side
    113,306.64x = 10,786,693,775.72
  5. Step 5: Solve for x
    x = 10,786,693,775.72/113,306.64
  6. Step 6: Final answer
    x = 95,199.13

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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.