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Finding the Fourth Proportional to 254,310.32, 350,838.60 and 153,650

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Solution

The fourth proportional to 254,310.32, 350,838.60 and 153,650 is: 211,970.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,310.32 : 350,838.60 = 153,650 : x
  2. Step 2: Convert to fraction form
    254,310.32/350,838.60 = 153,650/x
  3. Step 3: Cross multiply
    254,310.32x = 350,838.60 × 153,650
  4. Step 4: Simplify right side
    254,310.32x = 53,906,350,890
  5. Step 5: Solve for x
    x = 53,906,350,890/254,310.32
  6. Step 6: Final answer
    x = 211,970.76

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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.