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Finding the Fourth Proportional to 104,104.44, 143,658.65 and 61,077.94

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Solution

The fourth proportional to 104,104.44, 143,658.65 and 61,077.94 is: 84,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,104.44 : 143,658.65 = 61,077.94 : x
  2. Step 2: Convert to fraction form
    104,104.44/143,658.65 = 61,077.94/x
  3. Step 3: Cross multiply
    104,104.44x = 143,658.65 × 61,077.94
  4. Step 4: Simplify right side
    104,104.44x = 8,774,374,198.73
  5. Step 5: Solve for x
    x = 8,774,374,198.73/104,104.44
  6. Step 6: Final answer
    x = 84,284.34

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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.