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Finding the Fourth Proportional to 111,057.92, 153,263.62 and 60,756.92

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Solution

The fourth proportional to 111,057.92, 153,263.62 and 60,756.92 is: 83,846.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,057.92 : 153,263.62 = 60,756.92 : x
  2. Step 2: Convert to fraction form
    111,057.92/153,263.62 = 60,756.92/x
  3. Step 3: Cross multiply
    111,057.92x = 153,263.62 × 60,756.92
  4. Step 4: Simplify right side
    111,057.92x = 9,311,825,499.25
  5. Step 5: Solve for x
    x = 9,311,825,499.25/111,057.92
  6. Step 6: Final answer
    x = 83,846.57

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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.