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Finding the Fourth Proportional to 84,900.64, 127,344.48 and 34,967.92

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Solution

The fourth proportional to 84,900.64, 127,344.48 and 34,967.92 is: 52,449.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,900.64 : 127,344.48 = 34,967.92 : x
  2. Step 2: Convert to fraction form
    84,900.64/127,344.48 = 34,967.92/x
  3. Step 3: Cross multiply
    84,900.64x = 127,344.48 × 34,967.92
  4. Step 4: Simplify right side
    84,900.64x = 4,452,971,589.08
  5. Step 5: Solve for x
    x = 4,452,971,589.08/84,900.64
  6. Step 6: Final answer
    x = 52,449.21

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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.