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Finding the Fourth Proportional to 191,910.59, 264,884.10 and 130,757.93

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Solution

The fourth proportional to 191,910.59, 264,884.10 and 130,757.93 is: 180,478.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,910.59 : 264,884.10 = 130,757.93 : x
  2. Step 2: Convert to fraction form
    191,910.59/264,884.10 = 130,757.93/x
  3. Step 3: Cross multiply
    191,910.59x = 264,884.10 × 130,757.93
  4. Step 4: Simplify right side
    191,910.59x = 34,635,696,605.91
  5. Step 5: Solve for x
    x = 34,635,696,605.91/191,910.59
  6. Step 6: Final answer
    x = 180,478.30

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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.