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Finding the Fourth Proportional to 58,168.70, 87,218.01 and 26,141.90

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Solution

The fourth proportional to 58,168.70, 87,218.01 and 26,141.90 is: 39,197.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,168.70 : 87,218.01 = 26,141.90 : x
  2. Step 2: Convert to fraction form
    58,168.70/87,218.01 = 26,141.90/x
  3. Step 3: Cross multiply
    58,168.70x = 87,218.01 × 26,141.90
  4. Step 4: Simplify right side
    58,168.70x = 2,280,044,495.62
  5. Step 5: Solve for x
    x = 2,280,044,495.62/58,168.70
  6. Step 6: Final answer
    x = 39,197.10

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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.