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Finding the Fourth Proportional to 113,018.84, 155,967.17 and 62,034.95

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Solution

The fourth proportional to 113,018.84, 155,967.17 and 62,034.95 is: 85,608.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,018.84 : 155,967.17 = 62,034.95 : x
  2. Step 2: Convert to fraction form
    113,018.84/155,967.17 = 62,034.95/x
  3. Step 3: Cross multiply
    113,018.84x = 155,967.17 × 62,034.95
  4. Step 4: Simplify right side
    113,018.84x = 9,675,415,592.59
  5. Step 5: Solve for x
    x = 9,675,415,592.59/113,018.84
  6. Step 6: Final answer
    x = 85,608.87

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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.