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Finding the Fourth Proportional to 68,261.37, 102,384.78 and 23,888.97

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Solution

The fourth proportional to 68,261.37, 102,384.78 and 23,888.97 is: 35,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,261.37 : 102,384.78 = 23,888.97 : x
  2. Step 2: Convert to fraction form
    68,261.37/102,384.78 = 23,888.97/x
  3. Step 3: Cross multiply
    68,261.37x = 102,384.78 × 23,888.97
  4. Step 4: Simplify right side
    68,261.37x = 2,445,866,937.88
  5. Step 5: Solve for x
    x = 2,445,866,937.88/68,261.37
  6. Step 6: Final answer
    x = 35,830.91

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1.5x scale

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.