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Finding the Fourth Proportional to 231,239.50, 346,859.34 and 65,027.50

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Solution

The fourth proportional to 231,239.50, 346,859.34 and 65,027.50 is: 97,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,239.50 : 346,859.34 = 65,027.50 : x
  2. Step 2: Convert to fraction form
    231,239.50/346,859.34 = 65,027.50/x
  3. Step 3: Cross multiply
    231,239.50x = 346,859.34 × 65,027.50
  4. Step 4: Simplify right side
    231,239.50x = 22,555,395,731.85
  5. Step 5: Solve for x
    x = 22,555,395,731.85/231,239.50
  6. Step 6: Final answer
    x = 97,541.28

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1.5x scale

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.