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Finding the Fourth Proportional to 270,812.22, 373,724.80 and 149,953.28

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Solution

The fourth proportional to 270,812.22, 373,724.80 and 149,953.28 is: 206,937.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,812.22 : 373,724.80 = 149,953.28 : x
  2. Step 2: Convert to fraction form
    270,812.22/373,724.80 = 149,953.28/x
  3. Step 3: Cross multiply
    270,812.22x = 373,724.80 × 149,953.28
  4. Step 4: Simplify right side
    270,812.22x = 56,041,257,333.84
  5. Step 5: Solve for x
    x = 56,041,257,333.84/270,812.22
  6. Step 6: Final answer
    x = 206,937.70

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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.