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Finding the Fourth Proportional to 105,441.84, 158,052.60 and 46,227.60

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Solution

The fourth proportional to 105,441.84, 158,052.60 and 46,227.60 is: 69,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,441.84 : 158,052.60 = 46,227.60 : x
  2. Step 2: Convert to fraction form
    105,441.84/158,052.60 = 46,227.60/x
  3. Step 3: Cross multiply
    105,441.84x = 158,052.60 × 46,227.60
  4. Step 4: Simplify right side
    105,441.84x = 7,306,392,371.76
  5. Step 5: Solve for x
    x = 7,306,392,371.76/105,441.84
  6. Step 6: Final answer
    x = 69,293.10

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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.