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Finding the Fourth Proportional to 124,475.85, 186,713.90 and 53,352.34

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Solution

The fourth proportional to 124,475.85, 186,713.90 and 53,352.34 is: 80,028.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,475.85 : 186,713.90 = 53,352.34 : x
  2. Step 2: Convert to fraction form
    124,475.85/186,713.90 = 53,352.34/x
  3. Step 3: Cross multiply
    124,475.85x = 186,713.90 × 53,352.34
  4. Step 4: Simplify right side
    124,475.85x = 9,961,622,741.98
  5. Step 5: Solve for x
    x = 9,961,622,741.98/124,475.85
  6. Step 6: Final answer
    x = 80,028.56

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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.