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Finding the Fourth Proportional to 194,323.73, 291,485.60 and 75,912.04

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Solution

The fourth proportional to 194,323.73, 291,485.60 and 75,912.04 is: 113,868.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,323.73 : 291,485.60 = 75,912.04 : x
  2. Step 2: Convert to fraction form
    194,323.73/291,485.60 = 75,912.04/x
  3. Step 3: Cross multiply
    194,323.73x = 291,485.60 × 75,912.04
  4. Step 4: Simplify right side
    194,323.73x = 22,127,264,689.64
  5. Step 5: Solve for x
    x = 22,127,264,689.64/194,323.73
  6. Step 6: Final answer
    x = 113,868.05

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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.