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Finding the Fourth Proportional to 194,587.88, 291,858.78 and 61,462.76

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Solution

The fourth proportional to 194,587.88, 291,858.78 and 61,462.76 is: 92,186.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,587.88 : 291,858.78 = 61,462.76 : x
  2. Step 2: Convert to fraction form
    194,587.88/291,858.78 = 61,462.76/x
  3. Step 3: Cross multiply
    194,587.88x = 291,858.78 × 61,462.76
  4. Step 4: Simplify right side
    194,587.88x = 17,938,446,149.03
  5. Step 5: Solve for x
    x = 17,938,446,149.03/194,587.88
  6. Step 6: Final answer
    x = 92,186.86

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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.