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Finding the Fourth Proportional to 72,337.84, 108,576.90 and 34,924.30

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Solution

The fourth proportional to 72,337.84, 108,576.90 and 34,924.30 is: 52,420.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,337.84 : 108,576.90 = 34,924.30 : x
  2. Step 2: Convert to fraction form
    72,337.84/108,576.90 = 34,924.30/x
  3. Step 3: Cross multiply
    72,337.84x = 108,576.90 × 34,924.30
  4. Step 4: Simplify right side
    72,337.84x = 3,791,972,228.67
  5. Step 5: Solve for x
    x = 3,791,972,228.67/72,337.84
  6. Step 6: Final answer
    x = 52,420.31

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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.