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Finding the Fourth Proportional to 194,464.70, 291,697.10 and 61,355.37

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Solution

The fourth proportional to 194,464.70, 291,697.10 and 61,355.37 is: 92,033.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,464.70 : 291,697.10 = 61,355.37 : x
  2. Step 2: Convert to fraction form
    194,464.70/291,697.10 = 61,355.37/x
  3. Step 3: Cross multiply
    194,464.70x = 291,697.10 × 61,355.37
  4. Step 4: Simplify right side
    194,464.70x = 17,897,184,515.60
  5. Step 5: Solve for x
    x = 17,897,184,515.60/194,464.70
  6. Step 6: Final answer
    x = 92,033.08

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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.