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Finding the Fourth Proportional to 266,694.39, 368,072.64 and 152,014.86

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Solution

The fourth proportional to 266,694.39, 368,072.64 and 152,014.86 is: 209,800.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,694.39 : 368,072.64 = 152,014.86 : x
  2. Step 2: Convert to fraction form
    266,694.39/368,072.64 = 152,014.86/x
  3. Step 3: Cross multiply
    266,694.39x = 368,072.64 × 152,014.86
  4. Step 4: Simplify right side
    266,694.39x = 55,952,510,839.43
  5. Step 5: Solve for x
    x = 55,952,510,839.43/266,694.39
  6. Step 6: Final answer
    x = 209,800.10

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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.