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Finding the Fourth Proportional to 230,562.96, 318,191.52 and 129,967.44

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Solution

The fourth proportional to 230,562.96, 318,191.52 and 129,967.44 is: 179,363.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,562.96 : 318,191.52 = 129,967.44 : x
  2. Step 2: Convert to fraction form
    230,562.96/318,191.52 = 129,967.44/x
  3. Step 3: Cross multiply
    230,562.96x = 318,191.52 × 129,967.44
  4. Step 4: Simplify right side
    230,562.96x = 41,354,537,284.11
  5. Step 5: Solve for x
    x = 41,354,537,284.11/230,562.96
  6. Step 6: Final answer
    x = 179,363.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.