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Finding the Fourth Proportional to 178,015.74, 267,022.94 and 72,834.68

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Solution

The fourth proportional to 178,015.74, 267,022.94 and 72,834.68 is: 109,251.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,015.74 : 267,022.94 = 72,834.68 : x
  2. Step 2: Convert to fraction form
    178,015.74/267,022.94 = 72,834.68/x
  3. Step 3: Cross multiply
    178,015.74x = 267,022.94 × 72,834.68
  4. Step 4: Simplify right side
    178,015.74x = 19,448,528,688.27
  5. Step 5: Solve for x
    x = 19,448,528,688.27/178,015.74
  6. Step 6: Final answer
    x = 109,251.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.