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Finding the Fourth Proportional to 273,036.83, 376,784.46 and 158,335.97

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Solution

The fourth proportional to 273,036.83, 376,784.46 and 158,335.97 is: 218,499.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,036.83 : 376,784.46 = 158,335.97 : x
  2. Step 2: Convert to fraction form
    273,036.83/376,784.46 = 158,335.97/x
  3. Step 3: Cross multiply
    273,036.83x = 376,784.46 × 158,335.97
  4. Step 4: Simplify right side
    273,036.83x = 59,658,531,071.10
  5. Step 5: Solve for x
    x = 59,658,531,071.10/273,036.83
  6. Step 6: Final answer
    x = 218,499.94

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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.