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Finding the Fourth Proportional to 202,949.84, 280,127.07 and 118,083.30

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Solution

The fourth proportional to 202,949.84, 280,127.07 and 118,083.30 is: 162,987.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,949.84 : 280,127.07 = 118,083.30 : x
  2. Step 2: Convert to fraction form
    202,949.84/280,127.07 = 118,083.30/x
  3. Step 3: Cross multiply
    202,949.84x = 280,127.07 × 118,083.30
  4. Step 4: Simplify right side
    202,949.84x = 33,078,328,844.93
  5. Step 5: Solve for x
    x = 33,078,328,844.93/202,949.84
  6. Step 6: Final answer
    x = 162,987.71

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1.5x scale

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.