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Finding the Fourth Proportional to 72,819.27, 109,088.98 and 44,657.22

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Solution

The fourth proportional to 72,819.27, 109,088.98 and 44,657.22 is: 66,900.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,819.27 : 109,088.98 = 44,657.22 : x
  2. Step 2: Convert to fraction form
    72,819.27/109,088.98 = 44,657.22/x
  3. Step 3: Cross multiply
    72,819.27x = 109,088.98 × 44,657.22
  4. Step 4: Simplify right side
    72,819.27x = 4,871,610,876.88
  5. Step 5: Solve for x
    x = 4,871,610,876.88/72,819.27
  6. Step 6: Final answer
    x = 66,900.02

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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.