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Finding the Fourth Proportional to 191,773.25, 287,663.97 and 49,621.59

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Solution

The fourth proportional to 191,773.25, 287,663.97 and 49,621.59 is: 74,433.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,773.25 : 287,663.97 = 49,621.59 : x
  2. Step 2: Convert to fraction form
    191,773.25/287,663.97 = 49,621.59/x
  3. Step 3: Cross multiply
    191,773.25x = 287,663.97 × 49,621.59
  4. Step 4: Simplify right side
    191,773.25x = 14,274,343,577.11
  5. Step 5: Solve for x
    x = 14,274,343,577.11/191,773.25
  6. Step 6: Final answer
    x = 74,433.44

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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.