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Finding the Fourth Proportional to 266,554.32, 367,845.32 and 153,374.80

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Solution

The fourth proportional to 266,554.32, 367,845.32 and 153,374.80 is: 211,657.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,554.32 : 367,845.32 = 153,374.80 : x
  2. Step 2: Convert to fraction form
    266,554.32/367,845.32 = 153,374.80/x
  3. Step 3: Cross multiply
    266,554.32x = 367,845.32 × 153,374.80
  4. Step 4: Simplify right side
    266,554.32x = 56,418,202,385.94
  5. Step 5: Solve for x
    x = 56,418,202,385.94/266,554.32
  6. Step 6: Final answer
    x = 211,657.43

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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.