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Finding the Fourth Proportional to 72,494.42, 108,652.38 and 34,563.66

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Solution

The fourth proportional to 72,494.42, 108,652.38 and 34,563.66 is: 51,802.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,494.42 : 108,652.38 = 34,563.66 : x
  2. Step 2: Convert to fraction form
    72,494.42/108,652.38 = 34,563.66/x
  3. Step 3: Cross multiply
    72,494.42x = 108,652.38 × 34,563.66
  4. Step 4: Simplify right side
    72,494.42x = 3,755,423,920.51
  5. Step 5: Solve for x
    x = 3,755,423,920.51/72,494.42
  6. Step 6: Final answer
    x = 51,802.94

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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.