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Finding the Fourth Proportional to 252,777.68, 348,828.36 and 139,598

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Solution

The fourth proportional to 252,777.68, 348,828.36 and 139,598 is: 192,642.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,777.68 : 348,828.36 = 139,598 : x
  2. Step 2: Convert to fraction form
    252,777.68/348,828.36 = 139,598/x
  3. Step 3: Cross multiply
    252,777.68x = 348,828.36 × 139,598
  4. Step 4: Simplify right side
    252,777.68x = 48,695,741,399.28
  5. Step 5: Solve for x
    x = 48,695,741,399.28/252,777.68
  6. Step 6: Final answer
    x = 192,642.57

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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.