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Finding the Fourth Proportional to 151,718.40, 227,480.40 and 63,007.20

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Solution

The fourth proportional to 151,718.40, 227,480.40 and 63,007.20 is: 94,470.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,718.40 : 227,480.40 = 63,007.20 : x
  2. Step 2: Convert to fraction form
    151,718.40/227,480.40 = 63,007.20/x
  3. Step 3: Cross multiply
    151,718.40x = 227,480.40 × 63,007.20
  4. Step 4: Simplify right side
    151,718.40x = 14,332,903,058.88
  5. Step 5: Solve for x
    x = 14,332,903,058.88/151,718.40
  6. Step 6: Final answer
    x = 94,470.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.