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Finding the Fourth Proportional to 68,711.82, 103,048.60 and 24,326.66

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Solution

The fourth proportional to 68,711.82, 103,048.60 and 24,326.66 is: 36,483.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,711.82 : 103,048.60 = 24,326.66 : x
  2. Step 2: Convert to fraction form
    68,711.82/103,048.60 = 24,326.66/x
  3. Step 3: Cross multiply
    68,711.82x = 103,048.60 × 24,326.66
  4. Step 4: Simplify right side
    68,711.82x = 2,506,828,255.68
  5. Step 5: Solve for x
    x = 2,506,828,255.68/68,711.82
  6. Step 6: Final answer
    x = 36,483.22

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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.