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Finding the Fourth Proportional to 214,704.04, 322,056.07 and 66,960.04

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Solution

The fourth proportional to 214,704.04, 322,056.07 and 66,960.04 is: 100,440.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,704.04 : 322,056.07 = 66,960.04 : x
  2. Step 2: Convert to fraction form
    214,704.04/322,056.07 = 66,960.04/x
  3. Step 3: Cross multiply
    214,704.04x = 322,056.07 × 66,960.04
  4. Step 4: Simplify right side
    214,704.04x = 21,564,887,329.44
  5. Step 5: Solve for x
    x = 21,564,887,329.44/214,704.04
  6. Step 6: Final answer
    x = 100,440.06

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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.