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Finding the Fourth Proportional to 234,152.52, 323,130.43 and 126,722.56

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Solution

The fourth proportional to 234,152.52, 323,130.43 and 126,722.56 is: 174,877.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,152.52 : 323,130.43 = 126,722.56 : x
  2. Step 2: Convert to fraction form
    234,152.52/323,130.43 = 126,722.56/x
  3. Step 3: Cross multiply
    234,152.52x = 323,130.43 × 126,722.56
  4. Step 4: Simplify right side
    234,152.52x = 40,947,915,303.50
  5. Step 5: Solve for x
    x = 40,947,915,303.50/234,152.52
  6. Step 6: Final answer
    x = 174,877.11

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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.