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Finding the Fourth Proportional to 111,134.76, 153,369.66 and 60,833.76

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Solution

The fourth proportional to 111,134.76, 153,369.66 and 60,833.76 is: 83,952.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,134.76 : 153,369.66 = 60,833.76 : x
  2. Step 2: Convert to fraction form
    111,134.76/153,369.66 = 60,833.76/x
  3. Step 3: Cross multiply
    111,134.76x = 153,369.66 × 60,833.76
  4. Step 4: Simplify right side
    111,134.76x = 9,330,053,087.72
  5. Step 5: Solve for x
    x = 9,330,053,087.72/111,134.76
  6. Step 6: Final answer
    x = 83,952.61

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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.