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Finding the Fourth Proportional to 268,019.26, 369,871.87 and 147,159.49

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Solution

The fourth proportional to 268,019.26, 369,871.87 and 147,159.49 is: 203,083.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,019.26 : 369,871.87 = 147,159.49 : x
  2. Step 2: Convert to fraction form
    268,019.26/369,871.87 = 147,159.49/x
  3. Step 3: Cross multiply
    268,019.26x = 369,871.87 × 147,159.49
  4. Step 4: Simplify right side
    268,019.26x = 54,430,155,754.55
  5. Step 5: Solve for x
    x = 54,430,155,754.55/268,019.26
  6. Step 6: Final answer
    x = 203,083.00

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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.