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Finding the Fourth Proportional to 55,488.56, 83,159.40 and 29,139.44

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Solution

The fourth proportional to 55,488.56, 83,159.40 and 29,139.44 is: 43,670.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,488.56 : 83,159.40 = 29,139.44 : x
  2. Step 2: Convert to fraction form
    55,488.56/83,159.40 = 29,139.44/x
  3. Step 3: Cross multiply
    55,488.56x = 83,159.40 × 29,139.44
  4. Step 4: Simplify right side
    55,488.56x = 2,423,218,346.74
  5. Step 5: Solve for x
    x = 2,423,218,346.74/55,488.56
  6. Step 6: Final answer
    x = 43,670.59

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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.