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Finding the Fourth Proportional to 163,939, 245,527.39 and 158,256.56

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Solution

The fourth proportional to 163,939, 245,527.39 and 158,256.56 is: 237,016.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,939 : 245,527.39 = 158,256.56 : x
  2. Step 2: Convert to fraction form
    163,939/245,527.39 = 158,256.56/x
  3. Step 3: Cross multiply
    163,939x = 245,527.39 × 158,256.56
  4. Step 4: Simplify right side
    163,939x = 38,856,320,127.18
  5. Step 5: Solve for x
    x = 38,856,320,127.18/163,939
  6. Step 6: Final answer
    x = 237,016.94

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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.