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Finding the Fourth Proportional to 157,079.63, 235,621.88 and 149,104.37

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Solution

The fourth proportional to 157,079.63, 235,621.88 and 149,104.37 is: 223,658.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,079.63 : 235,621.88 = 149,104.37 : x
  2. Step 2: Convert to fraction form
    157,079.63/235,621.88 = 149,104.37/x
  3. Step 3: Cross multiply
    157,079.63x = 235,621.88 × 149,104.37
  4. Step 4: Simplify right side
    157,079.63x = 35,132,251,975.62
  5. Step 5: Solve for x
    x = 35,132,251,975.62/157,079.63
  6. Step 6: Final answer
    x = 223,658.87

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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.