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Finding the Fourth Proportional to 150,377.96, 207,427.74 and 96,732.92

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Solution

The fourth proportional to 150,377.96, 207,427.74 and 96,732.92 is: 133,431.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,377.96 : 207,427.74 = 96,732.92 : x
  2. Step 2: Convert to fraction form
    150,377.96/207,427.74 = 96,732.92/x
  3. Step 3: Cross multiply
    150,377.96x = 207,427.74 × 96,732.92
  4. Step 4: Simplify right side
    150,377.96x = 20,065,090,979.20
  5. Step 5: Solve for x
    x = 20,065,090,979.20/150,377.96
  6. Step 6: Final answer
    x = 133,431.06

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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.