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Finding the Fourth Proportional to 334,003.01, 501,000.23 and 81,283.92

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Solution

The fourth proportional to 334,003.01, 501,000.23 and 81,283.92 is: 121,924.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,003.01 : 501,000.23 = 81,283.92 : x
  2. Step 2: Convert to fraction form
    334,003.01/501,000.23 = 81,283.92/x
  3. Step 3: Cross multiply
    334,003.01x = 501,000.23 × 81,283.92
  4. Step 4: Simplify right side
    334,003.01x = 40,723,262,208.88
  5. Step 5: Solve for x
    x = 40,723,262,208.88/334,003.01
  6. Step 6: Final answer
    x = 121,924.84

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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.