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Finding the Fourth Proportional to 294,073.98, 441,113.70 and 83,711.91

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Solution

The fourth proportional to 294,073.98, 441,113.70 and 83,711.91 is: 125,568.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,073.98 : 441,113.70 = 83,711.91 : x
  2. Step 2: Convert to fraction form
    294,073.98/441,113.70 = 83,711.91/x
  3. Step 3: Cross multiply
    294,073.98x = 441,113.70 × 83,711.91
  4. Step 4: Simplify right side
    294,073.98x = 36,926,470,354.17
  5. Step 5: Solve for x
    x = 36,926,470,354.17/294,073.98
  6. Step 6: Final answer
    x = 125,568.64

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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.