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Finding the Fourth Proportional to 272,827.73, 376,502.11 and 158,173.00

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Solution

The fourth proportional to 272,827.73, 376,502.11 and 158,173.00 is: 218,278.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,827.73 : 376,502.11 = 158,173.00 : x
  2. Step 2: Convert to fraction form
    272,827.73/376,502.11 = 158,173.00/x
  3. Step 3: Cross multiply
    272,827.73x = 376,502.11 × 158,173.00
  4. Step 4: Simplify right side
    272,827.73x = 59,552,466,908.34
  5. Step 5: Solve for x
    x = 59,552,466,908.34/272,827.73
  6. Step 6: Final answer
    x = 218,278.64

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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.