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Finding the Fourth Proportional to 235,371.47, 324,813.78 and 127,941.50

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Solution

The fourth proportional to 235,371.47, 324,813.78 and 127,941.50 is: 176,559.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,371.47 : 324,813.78 = 127,941.50 : x
  2. Step 2: Convert to fraction form
    235,371.47/324,813.78 = 127,941.50/x
  3. Step 3: Cross multiply
    235,371.47x = 324,813.78 × 127,941.50
  4. Step 4: Simplify right side
    235,371.47x = 41,557,162,233.87
  5. Step 5: Solve for x
    x = 41,557,162,233.87/235,371.47
  6. Step 6: Final answer
    x = 176,559.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.