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Finding the Fourth Proportional to 150,432.99, 225,664.47 and 55,688.52

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Solution

The fourth proportional to 150,432.99, 225,664.47 and 55,688.52 is: 83,538.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,432.99 : 225,664.47 = 55,688.52 : x
  2. Step 2: Convert to fraction form
    150,432.99/225,664.47 = 55,688.52/x
  3. Step 3: Cross multiply
    150,432.99x = 225,664.47 × 55,688.52
  4. Step 4: Simplify right side
    150,432.99x = 12,566,920,350.88
  5. Step 5: Solve for x
    x = 12,566,920,350.88/150,432.99
  6. Step 6: Final answer
    x = 83,538.33

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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.