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Finding the Fourth Proportional to 293,076.70, 439,610.28 and 93,394.40

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Solution

The fourth proportional to 293,076.70, 439,610.28 and 93,394.40 is: 140,090.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,076.70 : 439,610.28 = 93,394.40 : x
  2. Step 2: Convert to fraction form
    293,076.70/439,610.28 = 93,394.40/x
  3. Step 3: Cross multiply
    293,076.70x = 439,610.28 × 93,394.40
  4. Step 4: Simplify right side
    293,076.70x = 41,057,138,334.43
  5. Step 5: Solve for x
    x = 41,057,138,334.43/293,076.70
  6. Step 6: Final answer
    x = 140,090.08

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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.