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Finding the Fourth Proportional to 252,500.74, 348,452.22 and 139,323.52

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Solution

The fourth proportional to 252,500.74, 348,452.22 and 139,323.52 is: 192,267.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,500.74 : 348,452.22 = 139,323.52 : x
  2. Step 2: Convert to fraction form
    252,500.74/348,452.22 = 139,323.52/x
  3. Step 3: Cross multiply
    252,500.74x = 348,452.22 × 139,323.52
  4. Step 4: Simplify right side
    252,500.74x = 48,547,589,842.21
  5. Step 5: Solve for x
    x = 48,547,589,842.21/252,500.74
  6. Step 6: Final answer
    x = 192,267.12

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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.