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Finding the Fourth Proportional to 103,837.30, 155,698.35 and 41,437.30

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Solution

The fourth proportional to 103,837.30, 155,698.35 and 41,437.30 is: 62,132.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,837.30 : 155,698.35 = 41,437.30 : x
  2. Step 2: Convert to fraction form
    103,837.30/155,698.35 = 41,437.30/x
  3. Step 3: Cross multiply
    103,837.30x = 155,698.35 × 41,437.30
  4. Step 4: Simplify right side
    103,837.30x = 6,451,719,238.46
  5. Step 5: Solve for x
    x = 6,451,719,238.46/103,837.30
  6. Step 6: Final answer
    x = 62,132.96

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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.