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Finding the Fourth Proportional to 92,377.97, 138,569.54 and 30,048.47

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Solution

The fourth proportional to 92,377.97, 138,569.54 and 30,048.47 is: 45,073.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,377.97 : 138,569.54 = 30,048.47 : x
  2. Step 2: Convert to fraction form
    92,377.97/138,569.54 = 30,048.47/x
  3. Step 3: Cross multiply
    92,377.97x = 138,569.54 × 30,048.47
  4. Step 4: Simplify right side
    92,377.97x = 4,163,802,342.15
  5. Step 5: Solve for x
    x = 4,163,802,342.15/92,377.97
  6. Step 6: Final answer
    x = 45,073.54

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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.