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Finding the Fourth Proportional to 180,931.79, 271,206.02 and 60,874.40

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Solution

The fourth proportional to 180,931.79, 271,206.02 and 60,874.40 is: 91,247.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,931.79 : 271,206.02 = 60,874.40 : x
  2. Step 2: Convert to fraction form
    180,931.79/271,206.02 = 60,874.40/x
  3. Step 3: Cross multiply
    180,931.79x = 271,206.02 × 60,874.40
  4. Step 4: Simplify right side
    180,931.79x = 16,509,504,574.09
  5. Step 5: Solve for x
    x = 16,509,504,574.09/180,931.79
  6. Step 6: Final answer
    x = 91,247.12

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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.