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Finding the Fourth Proportional to 98,777.78, 148,151.64 and 32,217.82

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Solution

The fourth proportional to 98,777.78, 148,151.64 and 32,217.82 is: 48,321.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,777.78 : 148,151.64 = 32,217.82 : x
  2. Step 2: Convert to fraction form
    98,777.78/148,151.64 = 32,217.82/x
  3. Step 3: Cross multiply
    98,777.78x = 148,151.64 × 32,217.82
  4. Step 4: Simplify right side
    98,777.78x = 4,773,122,870.22
  5. Step 5: Solve for x
    x = 4,773,122,870.22/98,777.78
  6. Step 6: Final answer
    x = 48,321.83

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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.