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Finding the Fourth Proportional to 111,251.70, 153,489.58 and 62,846.56

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Solution

The fourth proportional to 111,251.70, 153,489.58 and 62,846.56 is: 86,706.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,251.70 : 153,489.58 = 62,846.56 : x
  2. Step 2: Convert to fraction form
    111,251.70/153,489.58 = 62,846.56/x
  3. Step 3: Cross multiply
    111,251.70x = 153,489.58 × 62,846.56
  4. Step 4: Simplify right side
    111,251.70x = 9,646,292,055.41
  5. Step 5: Solve for x
    x = 9,646,292,055.41/111,251.70
  6. Step 6: Final answer
    x = 86,706.92

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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.