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Finding the Fourth Proportional to 111,654.70, 154,084.06 and 60,667.56

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Solution

The fourth proportional to 111,654.70, 154,084.06 and 60,667.56 is: 83,721.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,654.70 : 154,084.06 = 60,667.56 : x
  2. Step 2: Convert to fraction form
    111,654.70/154,084.06 = 60,667.56/x
  3. Step 3: Cross multiply
    111,654.70x = 154,084.06 × 60,667.56
  4. Step 4: Simplify right side
    111,654.70x = 9,347,903,651.76
  5. Step 5: Solve for x
    x = 9,347,903,651.76/111,654.70
  6. Step 6: Final answer
    x = 83,721.54

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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.