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Finding the Fourth Proportional to 194,218.44, 291,244.11 and 67,820.77

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Solution

The fourth proportional to 194,218.44, 291,244.11 and 67,820.77 is: 101,701.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,218.44 : 291,244.11 = 67,820.77 : x
  2. Step 2: Convert to fraction form
    194,218.44/291,244.11 = 67,820.77/x
  3. Step 3: Cross multiply
    194,218.44x = 291,244.11 × 67,820.77
  4. Step 4: Simplify right side
    194,218.44x = 19,752,399,798.16
  5. Step 5: Solve for x
    x = 19,752,399,798.16/194,218.44
  6. Step 6: Final answer
    x = 101,701.98

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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.