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Finding the Fourth Proportional to 270,706.19, 373,614.57 and 155,962.98

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Solution

The fourth proportional to 270,706.19, 373,614.57 and 155,962.98 is: 215,251.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,706.19 : 373,614.57 = 155,962.98 : x
  2. Step 2: Convert to fraction form
    270,706.19/373,614.57 = 155,962.98/x
  3. Step 3: Cross multiply
    270,706.19x = 373,614.57 × 155,962.98
  4. Step 4: Simplify right side
    270,706.19x = 58,270,041,708.62
  5. Step 5: Solve for x
    x = 58,270,041,708.62/270,706.19
  6. Step 6: Final answer
    x = 215,251.97

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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.