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Finding the Fourth Proportional to 180,429.98, 248,982.98 and 99,852.66

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Solution

The fourth proportional to 180,429.98, 248,982.98 and 99,852.66 is: 137,790.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,429.98 : 248,982.98 = 99,852.66 : x
  2. Step 2: Convert to fraction form
    180,429.98/248,982.98 = 99,852.66/x
  3. Step 3: Cross multiply
    180,429.98x = 248,982.98 × 99,852.66
  4. Step 4: Simplify right side
    180,429.98x = 24,861,612,348.46
  5. Step 5: Solve for x
    x = 24,861,612,348.46/180,429.98
  6. Step 6: Final answer
    x = 137,790.92

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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.