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Finding the Fourth Proportional to 98,800.54, 148,224.30 and 32,240.78

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Solution

The fourth proportional to 98,800.54, 148,224.30 and 32,240.78 is: 48,368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,800.54 : 148,224.30 = 32,240.78 : x
  2. Step 2: Convert to fraction form
    98,800.54/148,224.30 = 32,240.78/x
  3. Step 3: Cross multiply
    98,800.54x = 148,224.30 × 32,240.78
  4. Step 4: Simplify right side
    98,800.54x = 4,778,867,046.95
  5. Step 5: Solve for x
    x = 4,778,867,046.95/98,800.54
  6. Step 6: Final answer
    x = 48,368.84

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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.