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Finding the Fourth Proportional to 104,241.90, 143,849.97 and 56,494.22

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Solution

The fourth proportional to 104,241.90, 143,849.97 and 56,494.22 is: 77,959.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,241.90 : 143,849.97 = 56,494.22 : x
  2. Step 2: Convert to fraction form
    104,241.90/143,849.97 = 56,494.22/x
  3. Step 3: Cross multiply
    104,241.90x = 143,849.97 × 56,494.22
  4. Step 4: Simplify right side
    104,241.90x = 8,126,692,211.80
  5. Step 5: Solve for x
    x = 8,126,692,211.80/104,241.90
  6. Step 6: Final answer
    x = 77,959.94

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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.