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Finding the Fourth Proportional to 316,680.33, 475,051.62 and 92,042.64

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Solution

The fourth proportional to 316,680.33, 475,051.62 and 92,042.64 is: 138,073.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,680.33 : 475,051.62 = 92,042.64 : x
  2. Step 2: Convert to fraction form
    316,680.33/475,051.62 = 92,042.64/x
  3. Step 3: Cross multiply
    316,680.33x = 475,051.62 × 92,042.64
  4. Step 4: Simplify right side
    316,680.33x = 43,725,005,241.08
  5. Step 5: Solve for x
    x = 43,725,005,241.08/316,680.33
  6. Step 6: Final answer
    x = 138,073.01

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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.