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Finding the Fourth Proportional to 73,210.96, 109,792.14 and 28,826.20

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Solution

The fourth proportional to 73,210.96, 109,792.14 and 28,826.20 is: 43,229.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,210.96 : 109,792.14 = 28,826.20 : x
  2. Step 2: Convert to fraction form
    73,210.96/109,792.14 = 28,826.20/x
  3. Step 3: Cross multiply
    73,210.96x = 109,792.14 × 28,826.20
  4. Step 4: Simplify right side
    73,210.96x = 3,164,890,186.07
  5. Step 5: Solve for x
    x = 3,164,890,186.07/73,210.96
  6. Step 6: Final answer
    x = 43,229.73

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1.5x scale

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.