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Finding the Fourth Proportional to 109,240.59, 150,751.62 and 61,494.06

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Solution

The fourth proportional to 109,240.59, 150,751.62 and 61,494.06 is: 84,861.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,240.59 : 150,751.62 = 61,494.06 : x
  2. Step 2: Convert to fraction form
    109,240.59/150,751.62 = 61,494.06/x
  3. Step 3: Cross multiply
    109,240.59x = 150,751.62 × 61,494.06
  4. Step 4: Simplify right side
    109,240.59x = 9,270,329,165.38
  5. Step 5: Solve for x
    x = 9,270,329,165.38/109,240.59
  6. Step 6: Final answer
    x = 84,861.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.