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Finding the Fourth Proportional to 68,848.16, 103,270.08 and 19,600.16

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Solution

The fourth proportional to 68,848.16, 103,270.08 and 19,600.16 is: 29,399.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,848.16 : 103,270.08 = 19,600.16 : x
  2. Step 2: Convert to fraction form
    68,848.16/103,270.08 = 19,600.16/x
  3. Step 3: Cross multiply
    68,848.16x = 103,270.08 × 19,600.16
  4. Step 4: Simplify right side
    68,848.16x = 2,024,110,091.21
  5. Step 5: Solve for x
    x = 2,024,110,091.21/68,848.16
  6. Step 6: Final answer
    x = 29,399.63

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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.