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Finding the Fourth Proportional to 164,798.82, 247,197.62 and 68,844.20

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Solution

The fourth proportional to 164,798.82, 247,197.62 and 68,844.20 is: 103,266.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,798.82 : 247,197.62 = 68,844.20 : x
  2. Step 2: Convert to fraction form
    164,798.82/247,197.62 = 68,844.20/x
  3. Step 3: Cross multiply
    164,798.82x = 247,197.62 × 68,844.20
  4. Step 4: Simplify right side
    164,798.82x = 17,018,121,326.93
  5. Step 5: Solve for x
    x = 17,018,121,326.93/164,798.82
  6. Step 6: Final answer
    x = 103,266.04

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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.