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Finding the Fourth Proportional to 179,957.96, 248,343.86 and 99,387.53

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Solution

The fourth proportional to 179,957.96, 248,343.86 and 99,387.53 is: 137,155.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,957.96 : 248,343.86 = 99,387.53 : x
  2. Step 2: Convert to fraction form
    179,957.96/248,343.86 = 99,387.53/x
  3. Step 3: Cross multiply
    179,957.96x = 248,343.86 × 99,387.53
  4. Step 4: Simplify right side
    179,957.96x = 24,682,282,836.07
  5. Step 5: Solve for x
    x = 24,682,282,836.07/179,957.96
  6. Step 6: Final answer
    x = 137,155.83

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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.