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Finding the Fourth Proportional to 113,383.56, 156,452.80 and 68,051.92

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Solution

The fourth proportional to 113,383.56, 156,452.80 and 68,051.92 is: 93,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,383.56 : 156,452.80 = 68,051.92 : x
  2. Step 2: Convert to fraction form
    113,383.56/156,452.80 = 68,051.92/x
  3. Step 3: Cross multiply
    113,383.56x = 156,452.80 × 68,051.92
  4. Step 4: Simplify right side
    113,383.56x = 10,646,913,429.38
  5. Step 5: Solve for x
    x = 10,646,913,429.38/113,383.56
  6. Step 6: Final answer
    x = 93,901.74

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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.