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Finding the Fourth Proportional to 267,564.90, 401,388.84 and 90,058.08

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Solution

The fourth proportional to 267,564.90, 401,388.84 and 90,058.08 is: 135,101.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,564.90 : 401,388.84 = 90,058.08 : x
  2. Step 2: Convert to fraction form
    267,564.90/401,388.84 = 90,058.08/x
  3. Step 3: Cross multiply
    267,564.90x = 401,388.84 × 90,058.08
  4. Step 4: Simplify right side
    267,564.90x = 36,148,308,263.83
  5. Step 5: Solve for x
    x = 36,148,308,263.83/267,564.90
  6. Step 6: Final answer
    x = 135,101.08

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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.