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Finding the Fourth Proportional to 104,073.84, 143,524.40 and 69,086.59

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Solution

The fourth proportional to 104,073.84, 143,524.40 and 69,086.59 is: 95,274.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,073.84 : 143,524.40 = 69,086.59 : x
  2. Step 2: Convert to fraction form
    104,073.84/143,524.40 = 69,086.59/x
  3. Step 3: Cross multiply
    104,073.84x = 143,524.40 × 69,086.59
  4. Step 4: Simplify right side
    104,073.84x = 9,915,610,673.55
  5. Step 5: Solve for x
    x = 9,915,610,673.55/104,073.84
  6. Step 6: Final answer
    x = 95,274.77

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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.