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Finding the Fourth Proportional to 159,608.30, 238,951.65 and 97,400.30

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Solution

The fourth proportional to 159,608.30, 238,951.65 and 97,400.30 is: 145,819.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,608.30 : 238,951.65 = 97,400.30 : x
  2. Step 2: Convert to fraction form
    159,608.30/238,951.65 = 97,400.30/x
  3. Step 3: Cross multiply
    159,608.30x = 238,951.65 × 97,400.30
  4. Step 4: Simplify right side
    159,608.30x = 23,273,962,395.50
  5. Step 5: Solve for x
    x = 23,273,962,395.50/159,608.30
  6. Step 6: Final answer
    x = 145,819.25

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1.5x scale

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.