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Finding the Fourth Proportional to 111,286.58, 153,575.25 and 60,300.68

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Solution

The fourth proportional to 111,286.58, 153,575.25 and 60,300.68 is: 83,214.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,286.58 : 153,575.25 = 60,300.68 : x
  2. Step 2: Convert to fraction form
    111,286.58/153,575.25 = 60,300.68/x
  3. Step 3: Cross multiply
    111,286.58x = 153,575.25 × 60,300.68
  4. Step 4: Simplify right side
    111,286.58x = 9,260,691,238.29
  5. Step 5: Solve for x
    x = 9,260,691,238.29/111,286.58
  6. Step 6: Final answer
    x = 83,214.81

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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.