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Finding the Fourth Proportional to 101,351.10, 151,819.07 and 56,884.49

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Solution

The fourth proportional to 101,351.10, 151,819.07 and 56,884.49 is: 85,210.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,351.10 : 151,819.07 = 56,884.49 : x
  2. Step 2: Convert to fraction form
    101,351.10/151,819.07 = 56,884.49/x
  3. Step 3: Cross multiply
    101,351.10x = 151,819.07 × 56,884.49
  4. Step 4: Simplify right side
    101,351.10x = 8,636,149,325.71
  5. Step 5: Solve for x
    x = 8,636,149,325.71/101,351.10
  6. Step 6: Final answer
    x = 85,210.22

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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.