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Finding the Fourth Proportional to 234,353.25, 323,407.21 and 126,923.22

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Solution

The fourth proportional to 234,353.25, 323,407.21 and 126,923.22 is: 175,153.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,353.25 : 323,407.21 = 126,923.22 : x
  2. Step 2: Convert to fraction form
    234,353.25/323,407.21 = 126,923.22/x
  3. Step 3: Cross multiply
    234,353.25x = 323,407.21 × 126,923.22
  4. Step 4: Simplify right side
    234,353.25x = 41,047,885,272.93
  5. Step 5: Solve for x
    x = 41,047,885,272.93/234,353.25
  6. Step 6: Final answer
    x = 175,153.90

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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.