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Finding the Fourth Proportional to 117,401.40, 175,791.06 and 61,880.76

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Solution

The fourth proportional to 117,401.40, 175,791.06 and 61,880.76 is: 92,657.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,401.40 : 175,791.06 = 61,880.76 : x
  2. Step 2: Convert to fraction form
    117,401.40/175,791.06 = 61,880.76/x
  3. Step 3: Cross multiply
    117,401.40x = 175,791.06 × 61,880.76
  4. Step 4: Simplify right side
    117,401.40x = 10,878,084,394.01
  5. Step 5: Solve for x
    x = 10,878,084,394.01/117,401.40
  6. Step 6: Final answer
    x = 92,657.19

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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.