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Finding the Fourth Proportional to 124,566.69, 171,825.21 and 88,768.20

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Solution

The fourth proportional to 124,566.69, 171,825.21 and 88,768.20 is: 122,445.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,566.69 : 171,825.21 = 88,768.20 : x
  2. Step 2: Convert to fraction form
    124,566.69/171,825.21 = 88,768.20/x
  3. Step 3: Cross multiply
    124,566.69x = 171,825.21 × 88,768.20
  4. Step 4: Simplify right side
    124,566.69x = 15,252,614,606.32
  5. Step 5: Solve for x
    x = 15,252,614,606.32/124,566.69
  6. Step 6: Final answer
    x = 122,445.37

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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.