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Finding the Fourth Proportional to 252,295.13, 348,178.43 and 144,869.69

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Solution

The fourth proportional to 252,295.13, 348,178.43 and 144,869.69 is: 199,926.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,295.13 : 348,178.43 = 144,869.69 : x
  2. Step 2: Convert to fraction form
    252,295.13/348,178.43 = 144,869.69/x
  3. Step 3: Cross multiply
    252,295.13x = 348,178.43 × 144,869.69
  4. Step 4: Simplify right side
    252,295.13x = 50,440,501,218.79
  5. Step 5: Solve for x
    x = 50,440,501,218.79/252,295.13
  6. Step 6: Final answer
    x = 199,926.57

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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.