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Finding the Fourth Proportional to 98,563.10, 147,808.20 and 32,005.40

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Solution

The fourth proportional to 98,563.10, 147,808.20 and 32,005.40 is: 47,996.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,563.10 : 147,808.20 = 32,005.40 : x
  2. Step 2: Convert to fraction form
    98,563.10/147,808.20 = 32,005.40/x
  3. Step 3: Cross multiply
    98,563.10x = 147,808.20 × 32,005.40
  4. Step 4: Simplify right side
    98,563.10x = 4,730,660,564.28
  5. Step 5: Solve for x
    x = 4,730,660,564.28/98,563.10
  6. Step 6: Final answer
    x = 47,996.26

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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.