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Finding the Fourth Proportional to 83,000.88, 124,537.86 and 43,548.48

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Solution

The fourth proportional to 83,000.88, 124,537.86 and 43,548.48 is: 65,341.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,000.88 : 124,537.86 = 43,548.48 : x
  2. Step 2: Convert to fraction form
    83,000.88/124,537.86 = 43,548.48/x
  3. Step 3: Cross multiply
    83,000.88x = 124,537.86 × 43,548.48
  4. Step 4: Simplify right side
    83,000.88x = 5,423,434,505.45
  5. Step 5: Solve for x
    x = 5,423,434,505.45/83,000.88
  6. Step 6: Final answer
    x = 65,341.89

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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.