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Finding the Fourth Proportional to 103,437.64, 154,850.26 and 63,867.52

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Solution

The fourth proportional to 103,437.64, 154,850.26 and 63,867.52 is: 95,612.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,437.64 : 154,850.26 = 63,867.52 : x
  2. Step 2: Convert to fraction form
    103,437.64/154,850.26 = 63,867.52/x
  3. Step 3: Cross multiply
    103,437.64x = 154,850.26 × 63,867.52
  4. Step 4: Simplify right side
    103,437.64x = 9,889,902,077.56
  5. Step 5: Solve for x
    x = 9,889,902,077.56/103,437.64
  6. Step 6: Final answer
    x = 95,612.22

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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.