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Finding the Fourth Proportional to 104,801.83, 144,722.59 and 66,573.70

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Solution

The fourth proportional to 104,801.83, 144,722.59 and 66,573.70 is: 91,932.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,801.83 : 144,722.59 = 66,573.70 : x
  2. Step 2: Convert to fraction form
    104,801.83/144,722.59 = 66,573.70/x
  3. Step 3: Cross multiply
    104,801.83x = 144,722.59 × 66,573.70
  4. Step 4: Simplify right side
    104,801.83x = 9,634,717,761.64
  5. Step 5: Solve for x
    x = 9,634,717,761.64/104,801.83
  6. Step 6: Final answer
    x = 91,932.73

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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.