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Finding the Fourth Proportional to 268,095.02, 402,142.26 and 68,415.41

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Solution

The fourth proportional to 268,095.02, 402,142.26 and 68,415.41 is: 102,623.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,095.02 : 402,142.26 = 68,415.41 : x
  2. Step 2: Convert to fraction form
    268,095.02/402,142.26 = 68,415.41/x
  3. Step 3: Cross multiply
    268,095.02x = 402,142.26 × 68,415.41
  4. Step 4: Simplify right side
    268,095.02x = 27,512,725,585.52
  5. Step 5: Solve for x
    x = 27,512,725,585.52/268,095.02
  6. Step 6: Final answer
    x = 102,623.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.