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Finding the Fourth Proportional to 179,617.53, 247,873.92 and 99,047.91

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Solution

The fourth proportional to 179,617.53, 247,873.92 and 99,047.91 is: 136,687.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,617.53 : 247,873.92 = 99,047.91 : x
  2. Step 2: Convert to fraction form
    179,617.53/247,873.92 = 99,047.91/x
  3. Step 3: Cross multiply
    179,617.53x = 247,873.92 × 99,047.91
  4. Step 4: Simplify right side
    179,617.53x = 24,551,393,719.51
  5. Step 5: Solve for x
    x = 24,551,393,719.51/179,617.53
  6. Step 6: Final answer
    x = 136,687.07

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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.