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Finding the Fourth Proportional to 268,470.99, 370,490.22 and 147,614.40

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Solution

The fourth proportional to 268,470.99, 370,490.22 and 147,614.40 is: 203,708.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,470.99 : 370,490.22 = 147,614.40 : x
  2. Step 2: Convert to fraction form
    268,470.99/370,490.22 = 147,614.40/x
  3. Step 3: Cross multiply
    268,470.99x = 370,490.22 × 147,614.40
  4. Step 4: Simplify right side
    268,470.99x = 54,689,691,531.17
  5. Step 5: Solve for x
    x = 54,689,691,531.17/268,470.99
  6. Step 6: Final answer
    x = 203,708.01

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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.