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Finding the Fourth Proportional to 266,952.64, 368,473.44 and 153,855.04

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Solution

The fourth proportional to 266,952.64, 368,473.44 and 153,855.04 is: 212,365.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,952.64 : 368,473.44 = 153,855.04 : x
  2. Step 2: Convert to fraction form
    266,952.64/368,473.44 = 153,855.04/x
  3. Step 3: Cross multiply
    266,952.64x = 368,473.44 × 153,855.04
  4. Step 4: Simplify right side
    266,952.64x = 56,691,495,850.14
  5. Step 5: Solve for x
    x = 56,691,495,850.14/266,952.64
  6. Step 6: Final answer
    x = 212,365.37

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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.