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Finding the Fourth Proportional to 313,100.96, 432,079.48 and 169,860.97

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Solution

The fourth proportional to 313,100.96, 432,079.48 and 169,860.97 is: 234,408.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,100.96 : 432,079.48 = 169,860.97 : x
  2. Step 2: Convert to fraction form
    313,100.96/432,079.48 = 169,860.97/x
  3. Step 3: Cross multiply
    313,100.96x = 432,079.48 × 169,860.97
  4. Step 4: Simplify right side
    313,100.96x = 73,393,438,085.04
  5. Step 5: Solve for x
    x = 73,393,438,085.04/313,100.96
  6. Step 6: Final answer
    x = 234,408.22

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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.