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Finding the Fourth Proportional to 137,224.32, 205,696.80 and 62,397.60

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Solution

The fourth proportional to 137,224.32, 205,696.80 and 62,397.60 is: 93,532.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,224.32 : 205,696.80 = 62,397.60 : x
  2. Step 2: Convert to fraction form
    137,224.32/205,696.80 = 62,397.60/x
  3. Step 3: Cross multiply
    137,224.32x = 205,696.80 × 62,397.60
  4. Step 4: Simplify right side
    137,224.32x = 12,834,986,647.68
  5. Step 5: Solve for x
    x = 12,834,986,647.68/137,224.32
  6. Step 6: Final answer
    x = 93,532.89

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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.