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Finding the Fourth Proportional to 354,467.01, 531,697.78 and 88,225.75

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Solution

The fourth proportional to 354,467.01, 531,697.78 and 88,225.75 is: 132,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,467.01 : 531,697.78 = 88,225.75 : x
  2. Step 2: Convert to fraction form
    354,467.01/531,697.78 = 88,225.75/x
  3. Step 3: Cross multiply
    354,467.01x = 531,697.78 × 88,225.75
  4. Step 4: Simplify right side
    354,467.01x = 46,909,433,864.03
  5. Step 5: Solve for x
    x = 46,909,433,864.03/354,467.01
  6. Step 6: Final answer
    x = 132,337.94

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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.