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Finding the Fourth Proportional to 150,394.92, 207,538.86 and 89,929.89

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Solution

The fourth proportional to 150,394.92, 207,538.86 and 89,929.89 is: 124,099.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,394.92 : 207,538.86 = 89,929.89 : x
  2. Step 2: Convert to fraction form
    150,394.92/207,538.86 = 89,929.89/x
  3. Step 3: Cross multiply
    150,394.92x = 207,538.86 × 89,929.89
  4. Step 4: Simplify right side
    150,394.92x = 18,663,946,850.53
  5. Step 5: Solve for x
    x = 18,663,946,850.53/150,394.92
  6. Step 6: Final answer
    x = 124,099.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.