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Finding the Fourth Proportional to 191,519.52, 286,891 and 88,792.54

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Solution

The fourth proportional to 191,519.52, 286,891 and 88,792.54 is: 133,008.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,519.52 : 286,891 = 88,792.54 : x
  2. Step 2: Convert to fraction form
    191,519.52/286,891 = 88,792.54/x
  3. Step 3: Cross multiply
    191,519.52x = 286,891 × 88,792.54
  4. Step 4: Simplify right side
    191,519.52x = 25,473,780,593.14
  5. Step 5: Solve for x
    x = 25,473,780,593.14/191,519.52
  6. Step 6: Final answer
    x = 133,008.80

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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.