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Finding the Fourth Proportional to 98,840.96, 148,186 and 32,240.96

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Solution

The fourth proportional to 98,840.96, 148,186 and 32,240.96 is: 48,336.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,840.96 : 148,186 = 32,240.96 : x
  2. Step 2: Convert to fraction form
    98,840.96/148,186 = 32,240.96/x
  3. Step 3: Cross multiply
    98,840.96x = 148,186 × 32,240.96
  4. Step 4: Simplify right side
    98,840.96x = 4,777,658,898.56
  5. Step 5: Solve for x
    x = 4,777,658,898.56/98,840.96
  6. Step 6: Final answer
    x = 48,336.83

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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.