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Finding the Fourth Proportional to 171,280.64, 236,365.56 and 94,799.90

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Solution

The fourth proportional to 171,280.64, 236,365.56 and 94,799.90 is: 130,822.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,280.64 : 236,365.56 = 94,799.90 : x
  2. Step 2: Convert to fraction form
    171,280.64/236,365.56 = 94,799.90/x
  3. Step 3: Cross multiply
    171,280.64x = 236,365.56 × 94,799.90
  4. Step 4: Simplify right side
    171,280.64x = 22,407,432,042.36
  5. Step 5: Solve for x
    x = 22,407,432,042.36/171,280.64
  6. Step 6: Final answer
    x = 130,822.91

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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.