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Finding the Fourth Proportional to 182,499.92, 251,832.93 and 117,970.66

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Solution

The fourth proportional to 182,499.92, 251,832.93 and 117,970.66 is: 162,788.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,499.92 : 251,832.93 = 117,970.66 : x
  2. Step 2: Convert to fraction form
    182,499.92/251,832.93 = 117,970.66/x
  3. Step 3: Cross multiply
    182,499.92x = 251,832.93 × 117,970.66
  4. Step 4: Simplify right side
    182,499.92x = 29,708,896,961.83
  5. Step 5: Solve for x
    x = 29,708,896,961.83/182,499.92
  6. Step 6: Final answer
    x = 162,788.55

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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.