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Finding the Fourth Proportional to 72,353.39, 108,541.01 and 25,602.62

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Solution

The fourth proportional to 72,353.39, 108,541.01 and 25,602.62 is: 38,407.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,353.39 : 108,541.01 = 25,602.62 : x
  2. Step 2: Convert to fraction form
    72,353.39/108,541.01 = 25,602.62/x
  3. Step 3: Cross multiply
    72,353.39x = 108,541.01 × 25,602.62
  4. Step 4: Simplify right side
    72,353.39x = 2,778,933,754.75
  5. Step 5: Solve for x
    x = 2,778,933,754.75/72,353.39
  6. Step 6: Final answer
    x = 38,407.79

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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.