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Finding the Fourth Proportional to 253,957.43, 350,496.95 and 157,192.34

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Solution

The fourth proportional to 253,957.43, 350,496.95 and 157,192.34 is: 216,947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,957.43 : 350,496.95 = 157,192.34 : x
  2. Step 2: Convert to fraction form
    253,957.43/350,496.95 = 157,192.34/x
  3. Step 3: Cross multiply
    253,957.43x = 350,496.95 × 157,192.34
  4. Step 4: Simplify right side
    253,957.43x = 55,095,433,194.92
  5. Step 5: Solve for x
    x = 55,095,433,194.92/253,957.43
  6. Step 6: Final answer
    x = 216,947.52

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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.