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Finding the Fourth Proportional to 228,853.52, 315,825.33 and 126,888.47

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Solution

The fourth proportional to 228,853.52, 315,825.33 and 126,888.47 is: 175,110.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,853.52 : 315,825.33 = 126,888.47 : x
  2. Step 2: Convert to fraction form
    228,853.52/315,825.33 = 126,888.47/x
  3. Step 3: Cross multiply
    228,853.52x = 315,825.33 × 126,888.47
  4. Step 4: Simplify right side
    228,853.52x = 40,074,591,389.99
  5. Step 5: Solve for x
    x = 40,074,591,389.99/228,853.52
  6. Step 6: Final answer
    x = 175,110.23

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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.