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Finding the Fourth Proportional to 343,172.27, 514,751.11 and 93,854.27

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Solution

The fourth proportional to 343,172.27, 514,751.11 and 93,854.27 is: 140,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,172.27 : 514,751.11 = 93,854.27 : x
  2. Step 2: Convert to fraction form
    343,172.27/514,751.11 = 93,854.27/x
  3. Step 3: Cross multiply
    343,172.27x = 514,751.11 × 93,854.27
  4. Step 4: Simplify right side
    343,172.27x = 48,311,589,660.74
  5. Step 5: Solve for x
    x = 48,311,589,660.74/343,172.27
  6. Step 6: Final answer
    x = 140,779.41

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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.