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Finding the Fourth Proportional to 153,608.70, 230,516.82 and 53,769.72

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Solution

The fourth proportional to 153,608.70, 230,516.82 and 53,769.72 is: 80,690.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,608.70 : 230,516.82 = 53,769.72 : x
  2. Step 2: Convert to fraction form
    153,608.70/230,516.82 = 53,769.72/x
  3. Step 3: Cross multiply
    153,608.70x = 230,516.82 × 53,769.72
  4. Step 4: Simplify right side
    153,608.70x = 12,394,824,866.69
  5. Step 5: Solve for x
    x = 12,394,824,866.69/153,608.70
  6. Step 6: Final answer
    x = 80,690.90

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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.