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Finding the Fourth Proportional to 294,807.80, 442,211.67 and 73,191.80

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Solution

The fourth proportional to 294,807.80, 442,211.67 and 73,191.80 is: 109,787.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,807.80 : 442,211.67 = 73,191.80 : x
  2. Step 2: Convert to fraction form
    294,807.80/442,211.67 = 73,191.80/x
  3. Step 3: Cross multiply
    294,807.80x = 442,211.67 × 73,191.80
  4. Step 4: Simplify right side
    294,807.80x = 32,366,268,108.31
  5. Step 5: Solve for x
    x = 32,366,268,108.31/294,807.80
  6. Step 6: Final answer
    x = 109,787.69

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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.