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Finding the Fourth Proportional to 266,036.57, 367,100.39 and 152,895.77

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Solution

The fourth proportional to 266,036.57, 367,100.39 and 152,895.77 is: 210,978.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,036.57 : 367,100.39 = 152,895.77 : x
  2. Step 2: Convert to fraction form
    266,036.57/367,100.39 = 152,895.77/x
  3. Step 3: Cross multiply
    266,036.57x = 367,100.39 × 152,895.77
  4. Step 4: Simplify right side
    266,036.57x = 56,128,096,796.35
  5. Step 5: Solve for x
    x = 56,128,096,796.35/266,036.57
  6. Step 6: Final answer
    x = 210,978.88

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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.