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Finding the Fourth Proportional to 104,775.39, 144,524.79 and 63,920.88

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Solution

The fourth proportional to 104,775.39, 144,524.79 and 63,920.88 is: 88,171.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,775.39 : 144,524.79 = 63,920.88 : x
  2. Step 2: Convert to fraction form
    104,775.39/144,524.79 = 63,920.88/x
  3. Step 3: Cross multiply
    104,775.39x = 144,524.79 × 63,920.88
  4. Step 4: Simplify right side
    104,775.39x = 9,238,151,758.62
  5. Step 5: Solve for x
    x = 9,238,151,758.62/104,775.39
  6. Step 6: Final answer
    x = 88,171.01

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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.