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Finding the Fourth Proportional to 134,160.96, 185,059.78 and 79,676.12

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Solution

The fourth proportional to 134,160.96, 185,059.78 and 79,676.12 is: 109,904.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,160.96 : 185,059.78 = 79,676.12 : x
  2. Step 2: Convert to fraction form
    134,160.96/185,059.78 = 79,676.12/x
  3. Step 3: Cross multiply
    134,160.96x = 185,059.78 × 79,676.12
  4. Step 4: Simplify right side
    134,160.96x = 14,744,845,238.45
  5. Step 5: Solve for x
    x = 14,744,845,238.45/134,160.96
  6. Step 6: Final answer
    x = 109,904.14

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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.