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Finding the Fourth Proportional to 293,427.31, 440,164.46 and 93,776.08

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Solution

The fourth proportional to 293,427.31, 440,164.46 and 93,776.08 is: 140,671.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,427.31 : 440,164.46 = 93,776.08 : x
  2. Step 2: Convert to fraction form
    293,427.31/440,164.46 = 93,776.08/x
  3. Step 3: Cross multiply
    293,427.31x = 440,164.46 × 93,776.08
  4. Step 4: Simplify right side
    293,427.31x = 41,276,897,614.12
  5. Step 5: Solve for x
    x = 41,276,897,614.12/293,427.31
  6. Step 6: Final answer
    x = 140,671.63

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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.