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Finding the Fourth Proportional to 134,084.56, 185,037.74 and 73,655.86

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Solution

The fourth proportional to 134,084.56, 185,037.74 and 73,655.86 is: 101,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,084.56 : 185,037.74 = 73,655.86 : x
  2. Step 2: Convert to fraction form
    134,084.56/185,037.74 = 73,655.86/x
  3. Step 3: Cross multiply
    134,084.56x = 185,037.74 × 73,655.86
  4. Step 4: Simplify right side
    134,084.56x = 13,629,113,872.16
  5. Step 5: Solve for x
    x = 13,629,113,872.16/134,084.56
  6. Step 6: Final answer
    x = 101,645.66

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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.