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Finding the Fourth Proportional to 172,706.40, 238,330.44 and 96,225.84

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Solution

The fourth proportional to 172,706.40, 238,330.44 and 96,225.84 is: 132,789.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,706.40 : 238,330.44 = 96,225.84 : x
  2. Step 2: Convert to fraction form
    172,706.40/238,330.44 = 96,225.84/x
  3. Step 3: Cross multiply
    172,706.40x = 238,330.44 × 96,225.84
  4. Step 4: Simplify right side
    172,706.40x = 22,933,546,786.57
  5. Step 5: Solve for x
    x = 22,933,546,786.57/172,706.40
  6. Step 6: Final answer
    x = 132,789.21

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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.