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Finding the Fourth Proportional to 294,167.90, 441,205.72 and 80,951.81

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Solution

The fourth proportional to 294,167.90, 441,205.72 and 80,951.81 is: 121,415.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,167.90 : 441,205.72 = 80,951.81 : x
  2. Step 2: Convert to fraction form
    294,167.90/441,205.72 = 80,951.81/x
  3. Step 3: Cross multiply
    294,167.90x = 441,205.72 × 80,951.81
  4. Step 4: Simplify right side
    294,167.90x = 35,716,399,549.46
  5. Step 5: Solve for x
    x = 35,716,399,549.46/294,167.90
  6. Step 6: Final answer
    x = 121,415.01

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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.