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Finding the Fourth Proportional to 234,278.69, 323,304.74 and 126,848.79

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Solution

The fourth proportional to 234,278.69, 323,304.74 and 126,848.79 is: 175,051.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,278.69 : 323,304.74 = 126,848.79 : x
  2. Step 2: Convert to fraction form
    234,278.69/323,304.74 = 126,848.79/x
  3. Step 3: Cross multiply
    234,278.69x = 323,304.74 × 126,848.79
  4. Step 4: Simplify right side
    234,278.69x = 41,010,814,436.02
  5. Step 5: Solve for x
    x = 41,010,814,436.02/234,278.69
  6. Step 6: Final answer
    x = 175,051.41

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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.