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Finding the Fourth Proportional to 197,147.72, 295,806.33 and 64,068.77

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Solution

The fourth proportional to 197,147.72, 295,806.33 and 64,068.77 is: 96,130.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,147.72 : 295,806.33 = 64,068.77 : x
  2. Step 2: Convert to fraction form
    197,147.72/295,806.33 = 64,068.77/x
  3. Step 3: Cross multiply
    197,147.72x = 295,806.33 × 64,068.77
  4. Step 4: Simplify right side
    197,147.72x = 18,951,948,460.83
  5. Step 5: Solve for x
    x = 18,951,948,460.83/197,147.72
  6. Step 6: Final answer
    x = 96,130.70

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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.