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Finding the Fourth Proportional to 58,781.78, 88,112.36 and 23,228.71

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Solution

The fourth proportional to 58,781.78, 88,112.36 and 23,228.71 is: 34,819.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,781.78 : 88,112.36 = 23,228.71 : x
  2. Step 2: Convert to fraction form
    58,781.78/88,112.36 = 23,228.71/x
  3. Step 3: Cross multiply
    58,781.78x = 88,112.36 × 23,228.71
  4. Step 4: Simplify right side
    58,781.78x = 2,046,736,164.98
  5. Step 5: Solve for x
    x = 2,046,736,164.98/58,781.78
  6. Step 6: Final answer
    x = 34,819.22

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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.