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Finding the Fourth Proportional to 252,229.82, 348,079.52 and 139,056.62

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Solution

The fourth proportional to 252,229.82, 348,079.52 and 139,056.62 is: 191,899.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,229.82 : 348,079.52 = 139,056.62 : x
  2. Step 2: Convert to fraction form
    252,229.82/348,079.52 = 139,056.62/x
  3. Step 3: Cross multiply
    252,229.82x = 348,079.52 × 139,056.62
  4. Step 4: Simplify right side
    252,229.82x = 48,402,760,149.67
  5. Step 5: Solve for x
    x = 48,402,760,149.67/252,229.82
  6. Step 6: Final answer
    x = 191,899.44

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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.