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Finding the Fourth Proportional to 310,648.25, 466,070.18 and 110,964.21

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Solution

The fourth proportional to 310,648.25, 466,070.18 and 110,964.21 is: 166,481.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,648.25 : 466,070.18 = 110,964.21 : x
  2. Step 2: Convert to fraction form
    310,648.25/466,070.18 = 110,964.21/x
  3. Step 3: Cross multiply
    310,648.25x = 466,070.18 × 110,964.21
  4. Step 4: Simplify right side
    310,648.25x = 51,717,108,773.44
  5. Step 5: Solve for x
    x = 51,717,108,773.44/310,648.25
  6. Step 6: Final answer
    x = 166,481.25

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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.