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Finding the Fourth Proportional to 234,281.77, 323,309 and 126,851.88

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Solution

The fourth proportional to 234,281.77, 323,309 and 126,851.88 is: 175,055.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,281.77 : 323,309 = 126,851.88 : x
  2. Step 2: Convert to fraction form
    234,281.77/323,309 = 126,851.88/x
  3. Step 3: Cross multiply
    234,281.77x = 323,309 × 126,851.88
  4. Step 4: Simplify right side
    234,281.77x = 41,012,354,470.92
  5. Step 5: Solve for x
    x = 41,012,354,470.92/234,281.77
  6. Step 6: Final answer
    x = 175,055.68

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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.