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Finding the Fourth Proportional to 107,906.92, 148,908.48 and 60,159.28

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Solution

The fourth proportional to 107,906.92, 148,908.48 and 60,159.28 is: 83,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,906.92 : 148,908.48 = 60,159.28 : x
  2. Step 2: Convert to fraction form
    107,906.92/148,908.48 = 60,159.28/x
  3. Step 3: Cross multiply
    107,906.92x = 148,908.48 × 60,159.28
  4. Step 4: Simplify right side
    107,906.92x = 8,958,226,942.69
  5. Step 5: Solve for x
    x = 8,958,226,942.69/107,906.92
  6. Step 6: Final answer
    x = 83,018.10

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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.