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Finding the Fourth Proportional to 173,260.78, 239,099.85 and 93,772.78

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Solution

The fourth proportional to 173,260.78, 239,099.85 and 93,772.78 is: 129,406.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,260.78 : 239,099.85 = 93,772.78 : x
  2. Step 2: Convert to fraction form
    173,260.78/239,099.85 = 93,772.78/x
  3. Step 3: Cross multiply
    173,260.78x = 239,099.85 × 93,772.78
  4. Step 4: Simplify right side
    173,260.78x = 22,421,057,632.08
  5. Step 5: Solve for x
    x = 22,421,057,632.08/173,260.78
  6. Step 6: Final answer
    x = 129,406.42

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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.