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Finding the Fourth Proportional to 194,358.68, 268,123.34 and 113,736.76

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Solution

The fourth proportional to 194,358.68, 268,123.34 and 113,736.76 is: 156,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,358.68 : 268,123.34 = 113,736.76 : x
  2. Step 2: Convert to fraction form
    194,358.68/268,123.34 = 113,736.76/x
  3. Step 3: Cross multiply
    194,358.68x = 268,123.34 × 113,736.76
  4. Step 4: Simplify right side
    194,358.68x = 30,495,479,971.98
  5. Step 5: Solve for x
    x = 30,495,479,971.98/194,358.68
  6. Step 6: Final answer
    x = 156,903.10

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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.