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Finding the Fourth Proportional to 200,548.60, 276,721.99 and 114,468.28

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Solution

The fourth proportional to 200,548.60, 276,721.99 and 114,468.28 is: 157,946.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,548.60 : 276,721.99 = 114,468.28 : x
  2. Step 2: Convert to fraction form
    200,548.60/276,721.99 = 114,468.28/x
  3. Step 3: Cross multiply
    200,548.60x = 276,721.99 × 114,468.28
  4. Step 4: Simplify right side
    200,548.60x = 31,675,888,277.53
  5. Step 5: Solve for x
    x = 31,675,888,277.53/200,548.60
  6. Step 6: Final answer
    x = 157,946.20

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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.