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Finding the Fourth Proportional to 104,021.44, 143,554.75 and 63,737.44

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Solution

The fourth proportional to 104,021.44, 143,554.75 and 63,737.44 is: 87,960.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,021.44 : 143,554.75 = 63,737.44 : x
  2. Step 2: Convert to fraction form
    104,021.44/143,554.75 = 63,737.44/x
  3. Step 3: Cross multiply
    104,021.44x = 143,554.75 × 63,737.44
  4. Step 4: Simplify right side
    104,021.44x = 9,149,811,746.61
  5. Step 5: Solve for x
    x = 9,149,811,746.61/104,021.44
  6. Step 6: Final answer
    x = 87,960.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.