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Finding the Fourth Proportional to 272,863.68, 376,452 and 165,356.16

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Solution

The fourth proportional to 272,863.68, 376,452 and 165,356.16 is: 228,130.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,863.68 : 376,452 = 165,356.16 : x
  2. Step 2: Convert to fraction form
    272,863.68/376,452 = 165,356.16/x
  3. Step 3: Cross multiply
    272,863.68x = 376,452 × 165,356.16
  4. Step 4: Simplify right side
    272,863.68x = 62,248,657,144.32
  5. Step 5: Solve for x
    x = 62,248,657,144.32/272,863.68
  6. Step 6: Final answer
    x = 228,130.97

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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.