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Finding the Fourth Proportional to 104,963.81, 144,853.99 and 59,649.50

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Solution

The fourth proportional to 104,963.81, 144,853.99 and 59,649.50 is: 82,318.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,963.81 : 144,853.99 = 59,649.50 : x
  2. Step 2: Convert to fraction form
    104,963.81/144,853.99 = 59,649.50/x
  3. Step 3: Cross multiply
    104,963.81x = 144,853.99 × 59,649.50
  4. Step 4: Simplify right side
    104,963.81x = 8,640,468,289.52
  5. Step 5: Solve for x
    x = 8,640,468,289.52/104,963.81
  6. Step 6: Final answer
    x = 82,318.55

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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.