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Finding the Fourth Proportional to 113,392.86, 170,040.13 and 34,488.87

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Solution

The fourth proportional to 113,392.86, 170,040.13 and 34,488.87 is: 51,718.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,392.86 : 170,040.13 = 34,488.87 : x
  2. Step 2: Convert to fraction form
    113,392.86/170,040.13 = 34,488.87/x
  3. Step 3: Cross multiply
    113,392.86x = 170,040.13 × 34,488.87
  4. Step 4: Simplify right side
    113,392.86x = 5,864,491,938.35
  5. Step 5: Solve for x
    x = 5,864,491,938.35/113,392.86
  6. Step 6: Final answer
    x = 51,718.35

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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.