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Finding the Fourth Proportional to 265,603.38, 366,532.66 and 146,371.38

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Solution

The fourth proportional to 265,603.38, 366,532.66 and 146,371.38 is: 201,992.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,603.38 : 366,532.66 = 146,371.38 : x
  2. Step 2: Convert to fraction form
    265,603.38/366,532.66 = 146,371.38/x
  3. Step 3: Cross multiply
    265,603.38x = 366,532.66 × 146,371.38
  4. Step 4: Simplify right side
    265,603.38x = 53,649,891,259.27
  5. Step 5: Solve for x
    x = 53,649,891,259.27/265,603.38
  6. Step 6: Final answer
    x = 201,992.50

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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.