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Finding the Fourth Proportional to 194,191.68, 291,289.44 and 61,068.96

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Solution

The fourth proportional to 194,191.68, 291,289.44 and 61,068.96 is: 91,604.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,191.68 : 291,289.44 = 61,068.96 : x
  2. Step 2: Convert to fraction form
    194,191.68/291,289.44 = 61,068.96/x
  3. Step 3: Cross multiply
    194,191.68x = 291,289.44 × 61,068.96
  4. Step 4: Simplify right side
    194,191.68x = 17,788,743,159.78
  5. Step 5: Solve for x
    x = 17,788,743,159.78/194,191.68
  6. Step 6: Final answer
    x = 91,604.04

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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.