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Finding the Fourth Proportional to 112,882.78, 169,324.16 and 37,996.64

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Solution

The fourth proportional to 112,882.78, 169,324.16 and 37,996.64 is: 56,994.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,882.78 : 169,324.16 = 37,996.64 : x
  2. Step 2: Convert to fraction form
    112,882.78/169,324.16 = 37,996.64/x
  3. Step 3: Cross multiply
    112,882.78x = 169,324.16 × 37,996.64
  4. Step 4: Simplify right side
    112,882.78x = 6,433,749,150.82
  5. Step 5: Solve for x
    x = 6,433,749,150.82/112,882.78
  6. Step 6: Final answer
    x = 56,994.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.