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Finding the Fourth Proportional to 194,158.89, 291,250.83 and 61,044.30

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Solution

The fourth proportional to 194,158.89, 291,250.83 and 61,044.30 is: 91,570.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,158.89 : 291,250.83 = 61,044.30 : x
  2. Step 2: Convert to fraction form
    194,158.89/291,250.83 = 61,044.30/x
  3. Step 3: Cross multiply
    194,158.89x = 291,250.83 × 61,044.30
  4. Step 4: Simplify right side
    194,158.89x = 17,779,203,041.77
  5. Step 5: Solve for x
    x = 17,779,203,041.77/194,158.89
  6. Step 6: Final answer
    x = 91,570.38

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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.