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Finding the Fourth Proportional to 173,019.54, 238,726.22 and 105,034.80

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Solution

The fourth proportional to 173,019.54, 238,726.22 and 105,034.80 is: 144,923.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,019.54 : 238,726.22 = 105,034.80 : x
  2. Step 2: Convert to fraction form
    173,019.54/238,726.22 = 105,034.80/x
  3. Step 3: Cross multiply
    173,019.54x = 238,726.22 × 105,034.80
  4. Step 4: Simplify right side
    173,019.54x = 25,074,560,247.28
  5. Step 5: Solve for x
    x = 25,074,560,247.28/173,019.54
  6. Step 6: Final answer
    x = 144,923.29

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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.