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Finding the Fourth Proportional to 98,575.80, 147,863.70 and 32,018.10

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Solution

The fourth proportional to 98,575.80, 147,863.70 and 32,018.10 is: 48,027.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,575.80 : 147,863.70 = 32,018.10 : x
  2. Step 2: Convert to fraction form
    98,575.80/147,863.70 = 32,018.10/x
  3. Step 3: Cross multiply
    98,575.80x = 147,863.70 × 32,018.10
  4. Step 4: Simplify right side
    98,575.80x = 4,734,314,732.97
  5. Step 5: Solve for x
    x = 4,734,314,732.97/98,575.80
  6. Step 6: Final answer
    x = 48,027.15

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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.