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Finding the Fourth Proportional to 355,471.48, 533,190.84 and 89,226.10

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Solution

The fourth proportional to 355,471.48, 533,190.84 and 89,226.10 is: 133,835.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,471.48 : 533,190.84 = 89,226.10 : x
  2. Step 2: Convert to fraction form
    355,471.48/533,190.84 = 89,226.10/x
  3. Step 3: Cross multiply
    355,471.48x = 533,190.84 × 89,226.10
  4. Step 4: Simplify right side
    355,471.48x = 47,574,539,208.92
  5. Step 5: Solve for x
    x = 47,574,539,208.92/355,471.48
  6. Step 6: Final answer
    x = 133,835.04

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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.