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Finding the Fourth Proportional to 262,040.41, 392,963.91 and 93,515.65

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Solution

The fourth proportional to 262,040.41, 392,963.91 and 93,515.65 is: 140,238.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,040.41 : 392,963.91 = 93,515.65 : x
  2. Step 2: Convert to fraction form
    262,040.41/392,963.91 = 93,515.65/x
  3. Step 3: Cross multiply
    262,040.41x = 392,963.91 × 93,515.65
  4. Step 4: Simplify right side
    262,040.41x = 36,748,275,470.19
  5. Step 5: Solve for x
    x = 36,748,275,470.19/262,040.41
  6. Step 6: Final answer
    x = 140,238.96

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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.