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Finding the Fourth Proportional to 134,014.56, 200,759.04 and 77,736.40

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Solution

The fourth proportional to 134,014.56, 200,759.04 and 77,736.40 is: 116,452.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,014.56 : 200,759.04 = 77,736.40 : x
  2. Step 2: Convert to fraction form
    134,014.56/200,759.04 = 77,736.40/x
  3. Step 3: Cross multiply
    134,014.56x = 200,759.04 × 77,736.40
  4. Step 4: Simplify right side
    134,014.56x = 15,606,285,037.06
  5. Step 5: Solve for x
    x = 15,606,285,037.06/134,014.56
  6. Step 6: Final answer
    x = 116,452.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.