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Finding the Fourth Proportional to 90,058.77, 135,094.91 and 26,873.91

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Solution

The fourth proportional to 90,058.77, 135,094.91 and 26,873.91 is: 40,312.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,058.77 : 135,094.91 = 26,873.91 : x
  2. Step 2: Convert to fraction form
    90,058.77/135,094.91 = 26,873.91/x
  3. Step 3: Cross multiply
    90,058.77x = 135,094.91 × 26,873.91
  4. Step 4: Simplify right side
    90,058.77x = 3,630,528,318.43
  5. Step 5: Solve for x
    x = 3,630,528,318.43/90,058.77
  6. Step 6: Final answer
    x = 40,312.88

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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.