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Finding the Fourth Proportional to 153,754.80, 230,656.40 and 41,439.36

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Solution

The fourth proportional to 153,754.80, 230,656.40 and 41,439.36 is: 62,165.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,754.80 : 230,656.40 = 41,439.36 : x
  2. Step 2: Convert to fraction form
    153,754.80/230,656.40 = 41,439.36/x
  3. Step 3: Cross multiply
    153,754.80x = 230,656.40 × 41,439.36
  4. Step 4: Simplify right side
    153,754.80x = 9,558,253,595.90
  5. Step 5: Solve for x
    x = 9,558,253,595.90/153,754.80
  6. Step 6: Final answer
    x = 62,165.56

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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.