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Finding the Fourth Proportional to 69,361.95, 95,722.88 and 42,505.95

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Solution

The fourth proportional to 69,361.95, 95,722.88 and 42,505.95 is: 58,660.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,361.95 : 95,722.88 = 42,505.95 : x
  2. Step 2: Convert to fraction form
    69,361.95/95,722.88 = 42,505.95/x
  3. Step 3: Cross multiply
    69,361.95x = 95,722.88 × 42,505.95
  4. Step 4: Simplify right side
    69,361.95x = 4,068,791,738.61
  5. Step 5: Solve for x
    x = 4,068,791,738.61/69,361.95
  6. Step 6: Final answer
    x = 58,660.28

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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.