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Finding the Fourth Proportional to 104,217.42, 143,822.72 and 63,953.42

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Solution

The fourth proportional to 104,217.42, 143,822.72 and 63,953.42 is: 88,257.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,217.42 : 143,822.72 = 63,953.42 : x
  2. Step 2: Convert to fraction form
    104,217.42/143,822.72 = 63,953.42/x
  3. Step 3: Cross multiply
    104,217.42x = 143,822.72 × 63,953.42
  4. Step 4: Simplify right side
    104,217.42x = 9,197,954,817.70
  5. Step 5: Solve for x
    x = 9,197,954,817.70/104,217.42
  6. Step 6: Final answer
    x = 88,257.36

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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.