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Finding the Fourth Proportional to 158,573.70, 237,859.20 and 40,243.37

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Solution

The fourth proportional to 158,573.70, 237,859.20 and 40,243.37 is: 60,364.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,573.70 : 237,859.20 = 40,243.37 : x
  2. Step 2: Convert to fraction form
    158,573.70/237,859.20 = 40,243.37/x
  3. Step 3: Cross multiply
    158,573.70x = 237,859.20 × 40,243.37
  4. Step 4: Simplify right side
    158,573.70x = 9,572,254,604.21
  5. Step 5: Solve for x
    x = 9,572,254,604.21/158,573.70
  6. Step 6: Final answer
    x = 60,364.70

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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.