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Finding the Fourth Proportional to 194,318.42, 291,477.65 and 75,906.72

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Solution

The fourth proportional to 194,318.42, 291,477.65 and 75,906.72 is: 113,860.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,318.42 : 291,477.65 = 75,906.72 : x
  2. Step 2: Convert to fraction form
    194,318.42/291,477.65 = 75,906.72/x
  3. Step 3: Cross multiply
    194,318.42x = 291,477.65 × 75,906.72
  4. Step 4: Simplify right side
    194,318.42x = 22,125,111,985.27
  5. Step 5: Solve for x
    x = 22,125,111,985.27/194,318.42
  6. Step 6: Final answer
    x = 113,860.09

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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.