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Finding the Fourth Proportional to 265,297.87, 366,069.81 and 152,098.75

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Solution

The fourth proportional to 265,297.87, 366,069.81 and 152,098.75 is: 209,872.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,297.87 : 366,069.81 = 152,098.75 : x
  2. Step 2: Convert to fraction form
    265,297.87/366,069.81 = 152,098.75/x
  3. Step 3: Cross multiply
    265,297.87x = 366,069.81 × 152,098.75
  4. Step 4: Simplify right side
    265,297.87x = 55,678,760,513.74
  5. Step 5: Solve for x
    x = 55,678,760,513.74/265,297.87
  6. Step 6: Final answer
    x = 209,872.63

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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.