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Finding the Fourth Proportional to 110,944.75, 153,103.76 and 60,643.75

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Solution

The fourth proportional to 110,944.75, 153,103.76 and 60,643.75 is: 83,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,944.75 : 153,103.76 = 60,643.75 : x
  2. Step 2: Convert to fraction form
    110,944.75/153,103.76 = 60,643.75/x
  3. Step 3: Cross multiply
    110,944.75x = 153,103.76 × 60,643.75
  4. Step 4: Simplify right side
    110,944.75x = 9,284,786,145.50
  5. Step 5: Solve for x
    x = 9,284,786,145.50/110,944.75
  6. Step 6: Final answer
    x = 83,688.38

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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.