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Finding the Fourth Proportional to 179,892.83, 248,250.51 and 99,318.62

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Solution

The fourth proportional to 179,892.83, 248,250.51 and 99,318.62 is: 137,058.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,892.83 : 248,250.51 = 99,318.62 : x
  2. Step 2: Convert to fraction form
    179,892.83/248,250.51 = 99,318.62/x
  3. Step 3: Cross multiply
    179,892.83x = 248,250.51 × 99,318.62
  4. Step 4: Simplify right side
    179,892.83x = 24,655,898,688.12
  5. Step 5: Solve for x
    x = 24,655,898,688.12/179,892.83
  6. Step 6: Final answer
    x = 137,058.82

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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.