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Finding the Fourth Proportional to 233,573.74, 322,331.78 and 126,143.79

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Solution

The fourth proportional to 233,573.74, 322,331.78 and 126,143.79 is: 174,078.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,573.74 : 322,331.78 = 126,143.79 : x
  2. Step 2: Convert to fraction form
    233,573.74/322,331.78 = 126,143.79/x
  3. Step 3: Cross multiply
    233,573.74x = 322,331.78 × 126,143.79
  4. Step 4: Simplify right side
    233,573.74x = 40,660,152,366.65
  5. Step 5: Solve for x
    x = 40,660,152,366.65/233,573.74
  6. Step 6: Final answer
    x = 174,078.44

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1.5x scale

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.