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Finding the Fourth Proportional to 253,967.04, 350,510.13 and 157,201.92

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Solution

The fourth proportional to 253,967.04, 350,510.13 and 157,201.92 is: 216,960.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,967.04 : 350,510.13 = 157,201.92 : x
  2. Step 2: Convert to fraction form
    253,967.04/350,510.13 = 157,201.92/x
  3. Step 3: Cross multiply
    253,967.04x = 350,510.13 × 157,201.92
  4. Step 4: Simplify right side
    253,967.04x = 55,100,865,415.45
  5. Step 5: Solve for x
    x = 55,100,865,415.45/253,967.04
  6. Step 6: Final answer
    x = 216,960.69

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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.