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Finding the Fourth Proportional to 83,001.38, 124,509.81 and 33,069.38

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Solution

The fourth proportional to 83,001.38, 124,509.81 and 33,069.38 is: 49,607.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,001.38 : 124,509.81 = 33,069.38 : x
  2. Step 2: Convert to fraction form
    83,001.38/124,509.81 = 33,069.38/x
  3. Step 3: Cross multiply
    83,001.38x = 124,509.81 × 33,069.38
  4. Step 4: Simplify right side
    83,001.38x = 4,117,462,220.62
  5. Step 5: Solve for x
    x = 4,117,462,220.62/83,001.38
  6. Step 6: Final answer
    x = 49,607.15

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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.