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Finding the Fourth Proportional to 293,008.81, 439,579.50 and 93,340.57

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Solution

The fourth proportional to 293,008.81, 439,579.50 and 93,340.57 is: 140,031.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,008.81 : 439,579.50 = 93,340.57 : x
  2. Step 2: Convert to fraction form
    293,008.81/439,579.50 = 93,340.57/x
  3. Step 3: Cross multiply
    293,008.81x = 439,579.50 × 93,340.57
  4. Step 4: Simplify right side
    293,008.81x = 41,030,601,090.32
  5. Step 5: Solve for x
    x = 41,030,601,090.32/293,008.81
  6. Step 6: Final answer
    x = 140,031.97

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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.