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Finding the Fourth Proportional to 179,871.61, 248,223.19 and 99,299.24

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Solution

The fourth proportional to 179,871.61, 248,223.19 and 99,299.24 is: 137,033.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,871.61 : 248,223.19 = 99,299.24 : x
  2. Step 2: Convert to fraction form
    179,871.61/248,223.19 = 99,299.24/x
  3. Step 3: Cross multiply
    179,871.61x = 248,223.19 × 99,299.24
  4. Step 4: Simplify right side
    179,871.61x = 24,648,374,117.38
  5. Step 5: Solve for x
    x = 24,648,374,117.38/179,871.61
  6. Step 6: Final answer
    x = 137,033.15

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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.