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Finding the Fourth Proportional to 98,777.92, 148,175.79 and 32,200.78

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Solution

The fourth proportional to 98,777.92, 148,175.79 and 32,200.78 is: 48,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,777.92 : 148,175.79 = 32,200.78 : x
  2. Step 2: Convert to fraction form
    98,777.92/148,175.79 = 32,200.78/x
  3. Step 3: Cross multiply
    98,777.92x = 148,175.79 × 32,200.78
  4. Step 4: Simplify right side
    98,777.92x = 4,771,376,015.12
  5. Step 5: Solve for x
    x = 4,771,376,015.12/98,777.92
  6. Step 6: Final answer
    x = 48,304.07

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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.