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Finding the Fourth Proportional to 191,008.54, 286,119.06 and 111,882.88

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Solution

The fourth proportional to 191,008.54, 286,119.06 and 111,882.88 is: 167,593.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,008.54 : 286,119.06 = 111,882.88 : x
  2. Step 2: Convert to fraction form
    191,008.54/286,119.06 = 111,882.88/x
  3. Step 3: Cross multiply
    191,008.54x = 286,119.06 × 111,882.88
  4. Step 4: Simplify right side
    191,008.54x = 32,011,824,455.69
  5. Step 5: Solve for x
    x = 32,011,824,455.69/191,008.54
  6. Step 6: Final answer
    x = 167,593.68

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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.