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Finding the Fourth Proportional to 113,548.62, 170,322.93 and 43,449.42

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Solution

The fourth proportional to 113,548.62, 170,322.93 and 43,449.42 is: 65,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,548.62 : 170,322.93 = 43,449.42 : x
  2. Step 2: Convert to fraction form
    113,548.62/170,322.93 = 43,449.42/x
  3. Step 3: Cross multiply
    113,548.62x = 170,322.93 × 43,449.42
  4. Step 4: Simplify right side
    113,548.62x = 7,400,432,521.20
  5. Step 5: Solve for x
    x = 7,400,432,521.20/113,548.62
  6. Step 6: Final answer
    x = 65,174.13

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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.