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Finding the Fourth Proportional to 234,144.95, 323,120.00 and 126,715.00

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Solution

The fourth proportional to 234,144.95, 323,120.00 and 126,715.00 is: 174,866.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,144.95 : 323,120.00 = 126,715.00 : x
  2. Step 2: Convert to fraction form
    234,144.95/323,120.00 = 126,715.00/x
  3. Step 3: Cross multiply
    234,144.95x = 323,120.00 × 126,715.00
  4. Step 4: Simplify right side
    234,144.95x = 40,944,150,914.84
  5. Step 5: Solve for x
    x = 40,944,150,914.84/234,144.95
  6. Step 6: Final answer
    x = 174,866.69

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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.