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Finding the Fourth Proportional to 58,230.72, 87,351.72 and 23,162.64

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Solution

The fourth proportional to 58,230.72, 87,351.72 and 23,162.64 is: 34,746.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,230.72 : 87,351.72 = 23,162.64 : x
  2. Step 2: Convert to fraction form
    58,230.72/87,351.72 = 23,162.64/x
  3. Step 3: Cross multiply
    58,230.72x = 87,351.72 × 23,162.64
  4. Step 4: Simplify right side
    58,230.72x = 2,023,296,443.74
  5. Step 5: Solve for x
    x = 2,023,296,443.74/58,230.72
  6. Step 6: Final answer
    x = 34,746.20

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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.