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Finding the Fourth Proportional to 201,332.36, 277,838.83 and 110,689.87

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Solution

The fourth proportional to 201,332.36, 277,838.83 and 110,689.87 is: 152,752.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,332.36 : 277,838.83 = 110,689.87 : x
  2. Step 2: Convert to fraction form
    201,332.36/277,838.83 = 110,689.87/x
  3. Step 3: Cross multiply
    201,332.36x = 277,838.83 × 110,689.87
  4. Step 4: Simplify right side
    201,332.36x = 30,753,943,468.26
  5. Step 5: Solve for x
    x = 30,753,943,468.26/201,332.36
  6. Step 6: Final answer
    x = 152,752.11

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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.