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Finding the Fourth Proportional to 101,625.57, 152,436.97 and 31,504.88

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Solution

The fourth proportional to 101,625.57, 152,436.97 and 31,504.88 is: 47,256.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,625.57 : 152,436.97 = 31,504.88 : x
  2. Step 2: Convert to fraction form
    101,625.57/152,436.97 = 31,504.88/x
  3. Step 3: Cross multiply
    101,625.57x = 152,436.97 × 31,504.88
  4. Step 4: Simplify right side
    101,625.57x = 4,802,508,867.89
  5. Step 5: Solve for x
    x = 4,802,508,867.89/101,625.57
  6. Step 6: Final answer
    x = 47,256.89

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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.