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Finding the Fourth Proportional to 98,599.80, 147,899.70 and 32,042.10

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Solution

The fourth proportional to 98,599.80, 147,899.70 and 32,042.10 is: 48,063.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,599.80 : 147,899.70 = 32,042.10 : x
  2. Step 2: Convert to fraction form
    98,599.80/147,899.70 = 32,042.10/x
  3. Step 3: Cross multiply
    98,599.80x = 147,899.70 × 32,042.10
  4. Step 4: Simplify right side
    98,599.80x = 4,739,016,977.37
  5. Step 5: Solve for x
    x = 4,739,016,977.37/98,599.80
  6. Step 6: Final answer
    x = 48,063.15

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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.