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Finding the Fourth Proportional to 92,343.48, 138,765.34 and 50,254.68

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Solution

The fourth proportional to 92,343.48, 138,765.34 and 50,254.68 is: 75,518.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,343.48 : 138,765.34 = 50,254.68 : x
  2. Step 2: Convert to fraction form
    92,343.48/138,765.34 = 50,254.68/x
  3. Step 3: Cross multiply
    92,343.48x = 138,765.34 × 50,254.68
  4. Step 4: Simplify right side
    92,343.48x = 6,973,607,756.79
  5. Step 5: Solve for x
    x = 6,973,607,756.79/92,343.48
  6. Step 6: Final answer
    x = 75,518.14

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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.