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Finding the Fourth Proportional to 138,328.56, 207,525.54 and 44,834.28

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Solution

The fourth proportional to 138,328.56, 207,525.54 and 44,834.28 is: 67,262.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,328.56 : 207,525.54 = 44,834.28 : x
  2. Step 2: Convert to fraction form
    138,328.56/207,525.54 = 44,834.28/x
  3. Step 3: Cross multiply
    138,328.56x = 207,525.54 × 44,834.28
  4. Step 4: Simplify right side
    138,328.56x = 9,304,258,167.51
  5. Step 5: Solve for x
    x = 9,304,258,167.51/138,328.56
  6. Step 6: Final answer
    x = 67,262.02

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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.