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Finding the Fourth Proportional to 100,347.50, 150,531.33 and 26,475.50

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Solution

The fourth proportional to 100,347.50, 150,531.33 and 26,475.50 is: 39,715.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,347.50 : 150,531.33 = 26,475.50 : x
  2. Step 2: Convert to fraction form
    100,347.50/150,531.33 = 26,475.50/x
  3. Step 3: Cross multiply
    100,347.50x = 150,531.33 × 26,475.50
  4. Step 4: Simplify right side
    100,347.50x = 3,985,392,227.42
  5. Step 5: Solve for x
    x = 3,985,392,227.42/100,347.50
  6. Step 6: Final answer
    x = 39,715.91

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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.