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Finding the Fourth Proportional to 253,927.92, 350,178.72 and 151,937.28

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Solution

The fourth proportional to 253,927.92, 350,178.72 and 151,937.28 is: 209,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,927.92 : 350,178.72 = 151,937.28 : x
  2. Step 2: Convert to fraction form
    253,927.92/350,178.72 = 151,937.28/x
  3. Step 3: Cross multiply
    253,927.92x = 350,178.72 × 151,937.28
  4. Step 4: Simplify right side
    253,927.92x = 53,205,202,230.68
  5. Step 5: Solve for x
    x = 53,205,202,230.68/253,927.92
  6. Step 6: Final answer
    x = 209,528.76

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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.