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Finding the Fourth Proportional to 150,366.96, 207,412.56 and 96,721.92

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Solution

The fourth proportional to 150,366.96, 207,412.56 and 96,721.92 is: 133,415.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,366.96 : 207,412.56 = 96,721.92 : x
  2. Step 2: Convert to fraction form
    150,366.96/207,412.56 = 96,721.92/x
  3. Step 3: Cross multiply
    150,366.96x = 207,412.56 × 96,721.92
  4. Step 4: Simplify right side
    150,366.96x = 20,061,341,035.32
  5. Step 5: Solve for x
    x = 20,061,341,035.32/150,366.96
  6. Step 6: Final answer
    x = 133,415.88

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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.