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Finding the Fourth Proportional to 173,880.77, 239,964.39 and 97,395.30

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Solution

The fourth proportional to 173,880.77, 239,964.39 and 97,395.30 is: 134,410.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,880.77 : 239,964.39 = 97,395.30 : x
  2. Step 2: Convert to fraction form
    173,880.77/239,964.39 = 97,395.30/x
  3. Step 3: Cross multiply
    173,880.77x = 239,964.39 × 97,395.30
  4. Step 4: Simplify right side
    173,880.77x = 23,371,403,753.37
  5. Step 5: Solve for x
    x = 23,371,403,753.37/173,880.77
  6. Step 6: Final answer
    x = 134,410.52

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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.