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Finding the Fourth Proportional to 354,598.75, 531,896.91 and 88,359.45

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Solution

The fourth proportional to 354,598.75, 531,896.91 and 88,359.45 is: 132,538.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,598.75 : 531,896.91 = 88,359.45 : x
  2. Step 2: Convert to fraction form
    354,598.75/531,896.91 = 88,359.45/x
  3. Step 3: Cross multiply
    354,598.75x = 531,896.91 × 88,359.45
  4. Step 4: Simplify right side
    354,598.75x = 46,998,118,424.30
  5. Step 5: Solve for x
    x = 46,998,118,424.30/354,598.75
  6. Step 6: Final answer
    x = 132,538.87

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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.