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Finding the Fourth Proportional to 252,700.84, 348,727.26 and 139,523.68

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Solution

The fourth proportional to 252,700.84, 348,727.26 and 139,523.68 is: 192,542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,700.84 : 348,727.26 = 139,523.68 : x
  2. Step 2: Convert to fraction form
    252,700.84/348,727.26 = 139,523.68/x
  3. Step 3: Cross multiply
    252,700.84x = 348,727.26 × 139,523.68
  4. Step 4: Simplify right side
    252,700.84x = 48,655,710,631.52
  5. Step 5: Solve for x
    x = 48,655,710,631.52/252,700.84
  6. Step 6: Final answer
    x = 192,542.73

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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.