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Finding the Fourth Proportional to 69,877.32, 104,859.06 and 44,933.28

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Solution

The fourth proportional to 69,877.32, 104,859.06 and 44,933.28 is: 67,427.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,877.32 : 104,859.06 = 44,933.28 : x
  2. Step 2: Convert to fraction form
    69,877.32/104,859.06 = 44,933.28/x
  3. Step 3: Cross multiply
    69,877.32x = 104,859.06 × 44,933.28
  4. Step 4: Simplify right side
    69,877.32x = 4,711,661,503.52
  5. Step 5: Solve for x
    x = 4,711,661,503.52/69,877.32
  6. Step 6: Final answer
    x = 67,427.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.