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Finding the Fourth Proportional to 157,868.60, 236,797.43 and 39,540.96

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Solution

The fourth proportional to 157,868.60, 236,797.43 and 39,540.96 is: 59,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,868.60 : 236,797.43 = 39,540.96 : x
  2. Step 2: Convert to fraction form
    157,868.60/236,797.43 = 39,540.96/x
  3. Step 3: Cross multiply
    157,868.60x = 236,797.43 × 39,540.96
  4. Step 4: Simplify right side
    157,868.60x = 9,363,197,510.03
  5. Step 5: Solve for x
    x = 9,363,197,510.03/157,868.60
  6. Step 6: Final answer
    x = 59,310.07

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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.