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Finding the Fourth Proportional to 98,754.40, 148,034.40 and 48,842.20

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Solution

The fourth proportional to 98,754.40, 148,034.40 and 48,842.20 is: 73,215.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,754.40 : 148,034.40 = 48,842.20 : x
  2. Step 2: Convert to fraction form
    98,754.40/148,034.40 = 48,842.20/x
  3. Step 3: Cross multiply
    98,754.40x = 148,034.40 × 48,842.20
  4. Step 4: Simplify right side
    98,754.40x = 7,230,325,771.68
  5. Step 5: Solve for x
    x = 7,230,325,771.68/98,754.40
  6. Step 6: Final answer
    x = 73,215.23

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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.