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Finding the Fourth Proportional to 235,531.89, 353,244.71 and 67,048.47

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Solution

The fourth proportional to 235,531.89, 353,244.71 and 67,048.47 is: 100,557.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,531.89 : 353,244.71 = 67,048.47 : x
  2. Step 2: Convert to fraction form
    235,531.89/353,244.71 = 67,048.47/x
  3. Step 3: Cross multiply
    235,531.89x = 353,244.71 × 67,048.47
  4. Step 4: Simplify right side
    235,531.89x = 23,684,517,508.71
  5. Step 5: Solve for x
    x = 23,684,517,508.71/235,531.89
  6. Step 6: Final answer
    x = 100,557.58

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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.