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Finding the Fourth Proportional to 267,551.39, 401,368.59 and 90,044.55

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Solution

The fourth proportional to 267,551.39, 401,368.59 and 90,044.55 is: 135,080.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,551.39 : 401,368.59 = 90,044.55 : x
  2. Step 2: Convert to fraction form
    267,551.39/401,368.59 = 90,044.55/x
  3. Step 3: Cross multiply
    267,551.39x = 401,368.59 × 90,044.55
  4. Step 4: Simplify right side
    267,551.39x = 36,141,054,070.68
  5. Step 5: Solve for x
    x = 36,141,054,070.68/267,551.39
  6. Step 6: Final answer
    x = 135,080.80

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Why These Related Problems?

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