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Finding the Fourth Proportional to 200,763.98, 277,053.54 and 124,267.84

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Solution

The fourth proportional to 200,763.98, 277,053.54 and 124,267.84 is: 171,489.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,763.98 : 277,053.54 = 124,267.84 : x
  2. Step 2: Convert to fraction form
    200,763.98/277,053.54 = 124,267.84/x
  3. Step 3: Cross multiply
    200,763.98x = 277,053.54 × 124,267.84
  4. Step 4: Simplify right side
    200,763.98x = 34,428,844,980.15
  5. Step 5: Solve for x
    x = 34,428,844,980.15/200,763.98
  6. Step 6: Final answer
    x = 171,489.15

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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.