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Finding the Fourth Proportional to 273,143.78, 376,937.06 and 158,445.62

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Solution

The fourth proportional to 273,143.78, 376,937.06 and 158,445.62 is: 218,654.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,143.78 : 376,937.06 = 158,445.62 : x
  2. Step 2: Convert to fraction form
    273,143.78/376,937.06 = 158,445.62/x
  3. Step 3: Cross multiply
    273,143.78x = 376,937.06 × 158,445.62
  4. Step 4: Simplify right side
    273,143.78x = 59,724,026,172.68
  5. Step 5: Solve for x
    x = 59,724,026,172.68/273,143.78
  6. Step 6: Final answer
    x = 218,654.17

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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.