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Finding the Fourth Proportional to 58,201.80, 87,310.80 and 23,133.30

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Solution

The fourth proportional to 58,201.80, 87,310.80 and 23,133.30 is: 34,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,201.80 : 87,310.80 = 23,133.30 : x
  2. Step 2: Convert to fraction form
    58,201.80/87,310.80 = 23,133.30/x
  3. Step 3: Cross multiply
    58,201.80x = 87,310.80 × 23,133.30
  4. Step 4: Simplify right side
    58,201.80x = 2,019,786,929.64
  5. Step 5: Solve for x
    x = 2,019,786,929.64/58,201.80
  6. Step 6: Final answer
    x = 34,703.17

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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.