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Finding the Fourth Proportional to 233,885.70, 322,761.96 and 126,455.47

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Solution

The fourth proportional to 233,885.70, 322,761.96 and 126,455.47 is: 174,508.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,885.70 : 322,761.96 = 126,455.47 : x
  2. Step 2: Convert to fraction form
    233,885.70/322,761.96 = 126,455.47/x
  3. Step 3: Cross multiply
    233,885.70x = 322,761.96 × 126,455.47
  4. Step 4: Simplify right side
    233,885.70x = 40,815,015,349.92
  5. Step 5: Solve for x
    x = 40,815,015,349.92/233,885.70
  6. Step 6: Final answer
    x = 174,508.38

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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.