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Finding the Fourth Proportional to 98,753.44, 148,129.44 and 39,588.24

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Solution

The fourth proportional to 98,753.44, 148,129.44 and 39,588.24 is: 59,382.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,753.44 : 148,129.44 = 39,588.24 : x
  2. Step 2: Convert to fraction form
    98,753.44/148,129.44 = 39,588.24/x
  3. Step 3: Cross multiply
    98,753.44x = 148,129.44 × 39,588.24
  4. Step 4: Simplify right side
    98,753.44x = 5,864,183,821.79
  5. Step 5: Solve for x
    x = 5,864,183,821.79/98,753.44
  6. Step 6: Final answer
    x = 59,382.07

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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.