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Finding the Fourth Proportional to 104,571.56, 144,304.81 and 56,823.89

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Solution

The fourth proportional to 104,571.56, 144,304.81 and 56,823.89 is: 78,414.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,571.56 : 144,304.81 = 56,823.89 : x
  2. Step 2: Convert to fraction form
    104,571.56/144,304.81 = 56,823.89/x
  3. Step 3: Cross multiply
    104,571.56x = 144,304.81 × 56,823.89
  4. Step 4: Simplify right side
    104,571.56x = 8,199,959,786.33
  5. Step 5: Solve for x
    x = 8,199,959,786.33/104,571.56
  6. Step 6: Final answer
    x = 78,414.82

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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.