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Finding the Fourth Proportional to 104,218.42, 143,824.10 and 63,954.42

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Solution

The fourth proportional to 104,218.42, 143,824.10 and 63,954.42 is: 88,258.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,218.42 : 143,824.10 = 63,954.42 : x
  2. Step 2: Convert to fraction form
    104,218.42/143,824.10 = 63,954.42/x
  3. Step 3: Cross multiply
    104,218.42x = 143,824.10 × 63,954.42
  4. Step 4: Simplify right side
    104,218.42x = 9,198,186,897.52
  5. Step 5: Solve for x
    x = 9,198,186,897.52/104,218.42
  6. Step 6: Final answer
    x = 88,258.74

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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.