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Finding the Fourth Proportional to 267,554.49, 401,327.15 and 90,061.49

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Solution

The fourth proportional to 267,554.49, 401,327.15 and 90,061.49 is: 135,090.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,554.49 : 401,327.15 = 90,061.49 : x
  2. Step 2: Convert to fraction form
    267,554.49/401,327.15 = 90,061.49/x
  3. Step 3: Cross multiply
    267,554.49x = 401,327.15 × 90,061.49
  4. Step 4: Simplify right side
    267,554.49x = 36,144,118,649.51
  5. Step 5: Solve for x
    x = 36,144,118,649.51/267,554.49
  6. Step 6: Final answer
    x = 135,090.68

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.