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Finding the Fourth Proportional to 234,080.71, 323,029.08 and 126,648.38

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Solution

The fourth proportional to 234,080.71, 323,029.08 and 126,648.38 is: 174,773.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,080.71 : 323,029.08 = 126,648.38 : x
  2. Step 2: Convert to fraction form
    234,080.71/323,029.08 = 126,648.38/x
  3. Step 3: Cross multiply
    234,080.71x = 323,029.08 × 126,648.38
  4. Step 4: Simplify right side
    234,080.71x = 40,911,110,482.46
  5. Step 5: Solve for x
    x = 40,911,110,482.46/234,080.71
  6. Step 6: Final answer
    x = 174,773.53

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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.