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Finding the Fourth Proportional to 252,772.91, 348,828.99 and 143,871.93

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Solution

The fourth proportional to 252,772.91, 348,828.99 and 143,871.93 is: 198,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,772.91 : 348,828.99 = 143,871.93 : x
  2. Step 2: Convert to fraction form
    252,772.91/348,828.99 = 143,871.93/x
  3. Step 3: Cross multiply
    252,772.91x = 348,828.99 × 143,871.93
  4. Step 4: Simplify right side
    252,772.91x = 50,186,700,503.33
  5. Step 5: Solve for x
    x = 50,186,700,503.33/252,772.91
  6. Step 6: Final answer
    x = 198,544.62

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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.