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Finding the Fourth Proportional to 124,475.73, 186,713.71 and 53,352.21

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Solution

The fourth proportional to 124,475.73, 186,713.71 and 53,352.21 is: 80,028.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,475.73 : 186,713.71 = 53,352.21 : x
  2. Step 2: Convert to fraction form
    124,475.73/186,713.71 = 53,352.21/x
  3. Step 3: Cross multiply
    124,475.73x = 186,713.71 × 53,352.21
  4. Step 4: Simplify right side
    124,475.73x = 9,961,588,799.04
  5. Step 5: Solve for x
    x = 9,961,588,799.04/124,475.73
  6. Step 6: Final answer
    x = 80,028.36

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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.