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Finding the Fourth Proportional to 166,697.96, 230,007.66 and 98,736.20

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Solution

The fourth proportional to 166,697.96, 230,007.66 and 98,736.20 is: 136,234.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,697.96 : 230,007.66 = 98,736.20 : x
  2. Step 2: Convert to fraction form
    166,697.96/230,007.66 = 98,736.20/x
  3. Step 3: Cross multiply
    166,697.96x = 230,007.66 × 98,736.20
  4. Step 4: Simplify right side
    166,697.96x = 22,710,082,319.29
  5. Step 5: Solve for x
    x = 22,710,082,319.29/166,697.96
  6. Step 6: Final answer
    x = 136,234.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.