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Finding the Fourth Proportional to 181,402.75, 250,338.79 and 99,734.45

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Solution

The fourth proportional to 181,402.75, 250,338.79 and 99,734.45 is: 137,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,402.75 : 250,338.79 = 99,734.45 : x
  2. Step 2: Convert to fraction form
    181,402.75/250,338.79 = 99,734.45/x
  3. Step 3: Cross multiply
    181,402.75x = 250,338.79 × 99,734.45
  4. Step 4: Simplify right side
    181,402.75x = 24,967,401,254.44
  5. Step 5: Solve for x
    x = 24,967,401,254.44/181,402.75
  6. Step 6: Final answer
    x = 137,635.19

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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.