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Finding the Fourth Proportional to 92,058.66, 138,000.51 and 58,685.04

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Solution

The fourth proportional to 92,058.66, 138,000.51 and 58,685.04 is: 87,971.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,058.66 : 138,000.51 = 58,685.04 : x
  2. Step 2: Convert to fraction form
    92,058.66/138,000.51 = 58,685.04/x
  3. Step 3: Cross multiply
    92,058.66x = 138,000.51 × 58,685.04
  4. Step 4: Simplify right side
    92,058.66x = 8,098,565,449.37
  5. Step 5: Solve for x
    x = 8,098,565,449.37/92,058.66
  6. Step 6: Final answer
    x = 87,971.79

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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.