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Finding the Fourth Proportional to 191,369, 287,122.62 and 60,041

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Solution

The fourth proportional to 191,369, 287,122.62 and 60,041 is: 90,083.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,369 : 287,122.62 = 60,041 : x
  2. Step 2: Convert to fraction form
    191,369/287,122.62 = 60,041/x
  3. Step 3: Cross multiply
    191,369x = 287,122.62 × 60,041
  4. Step 4: Simplify right side
    191,369x = 17,239,129,227.42
  5. Step 5: Solve for x
    x = 17,239,129,227.42/191,369
  6. Step 6: Final answer
    x = 90,083.19

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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.