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Finding the Fourth Proportional to 166,711.92, 230,037.72 and 101,266.76

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Solution

The fourth proportional to 166,711.92, 230,037.72 and 101,266.76 is: 139,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,711.92 : 230,037.72 = 101,266.76 : x
  2. Step 2: Convert to fraction form
    166,711.92/230,037.72 = 101,266.76/x
  3. Step 3: Cross multiply
    166,711.92x = 230,037.72 × 101,266.76
  4. Step 4: Simplify right side
    166,711.92x = 23,295,174,582.19
  5. Step 5: Solve for x
    x = 23,295,174,582.19/166,711.92
  6. Step 6: Final answer
    x = 139,733.11

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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.