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Finding the Fourth Proportional to 194,159.21, 291,251.37 and 61,044.62

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Solution

The fourth proportional to 194,159.21, 291,251.37 and 61,044.62 is: 91,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,159.21 : 291,251.37 = 61,044.62 : x
  2. Step 2: Convert to fraction form
    194,159.21/291,251.37 = 61,044.62/x
  3. Step 3: Cross multiply
    194,159.21x = 291,251.37 × 61,044.62
  4. Step 4: Simplify right side
    194,159.21x = 17,779,327,749.87
  5. Step 5: Solve for x
    x = 17,779,327,749.87/194,159.21
  6. Step 6: Final answer
    x = 91,570.87

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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.