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Finding the Fourth Proportional to 273,015.72, 376,792.20 and 152,168.04

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Solution

The fourth proportional to 273,015.72, 376,792.20 and 152,168.04 is: 210,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,015.72 : 376,792.20 = 152,168.04 : x
  2. Step 2: Convert to fraction form
    273,015.72/376,792.20 = 152,168.04/x
  3. Step 3: Cross multiply
    273,015.72x = 376,792.20 × 152,168.04
  4. Step 4: Simplify right side
    273,015.72x = 57,335,730,561.29
  5. Step 5: Solve for x
    x = 57,335,730,561.29/273,015.72
  6. Step 6: Final answer
    x = 210,008.90

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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.