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Finding the Fourth Proportional to 117,220.82, 175,839.33 and 47,100.16

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Solution

The fourth proportional to 117,220.82, 175,839.33 and 47,100.16 is: 70,653.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,220.82 : 175,839.33 = 47,100.16 : x
  2. Step 2: Convert to fraction form
    117,220.82/175,839.33 = 47,100.16/x
  3. Step 3: Cross multiply
    117,220.82x = 175,839.33 × 47,100.16
  4. Step 4: Simplify right side
    117,220.82x = 8,282,059,698.10
  5. Step 5: Solve for x
    x = 8,282,059,698.10/117,220.82
  6. Step 6: Final answer
    x = 70,653.49

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