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Finding the Fourth Proportional to 294,073.64, 441,075.41 and 80,863.21

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Solution

The fourth proportional to 294,073.64, 441,075.41 and 80,863.21 is: 121,285.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,073.64 : 441,075.41 = 80,863.21 : x
  2. Step 2: Convert to fraction form
    294,073.64/441,075.41 = 80,863.21/x
  3. Step 3: Cross multiply
    294,073.64x = 441,075.41 × 80,863.21
  4. Step 4: Simplify right side
    294,073.64x = 35,666,773,954.93
  5. Step 5: Solve for x
    x = 35,666,773,954.93/294,073.64
  6. Step 6: Final answer
    x = 121,285.18

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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.