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Finding the Fourth Proportional to 191,860.94, 287,627.26 and 73,617.14

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Solution

The fourth proportional to 191,860.94, 287,627.26 and 73,617.14 is: 110,362.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,860.94 : 287,627.26 = 73,617.14 : x
  2. Step 2: Convert to fraction form
    191,860.94/287,627.26 = 73,617.14/x
  3. Step 3: Cross multiply
    191,860.94x = 287,627.26 × 73,617.14
  4. Step 4: Simplify right side
    191,860.94x = 21,174,296,267.24
  5. Step 5: Solve for x
    x = 21,174,296,267.24/191,860.94
  6. Step 6: Final answer
    x = 110,362.73

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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.