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Finding the Fourth Proportional to 268,880.94, 371,053.67 and 148,024.28

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Solution

The fourth proportional to 268,880.94, 371,053.67 and 148,024.28 is: 204,272.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,880.94 : 371,053.67 = 148,024.28 : x
  2. Step 2: Convert to fraction form
    268,880.94/371,053.67 = 148,024.28/x
  3. Step 3: Cross multiply
    268,880.94x = 371,053.67 × 148,024.28
  4. Step 4: Simplify right side
    268,880.94x = 54,924,952,343.11
  5. Step 5: Solve for x
    x = 54,924,952,343.11/268,880.94
  6. Step 6: Final answer
    x = 204,272.39

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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.