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Finding the Fourth Proportional to 180,221.73, 248,699.76 and 98,551.95

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Solution

The fourth proportional to 180,221.73, 248,699.76 and 98,551.95 is: 135,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,221.73 : 248,699.76 = 98,551.95 : x
  2. Step 2: Convert to fraction form
    180,221.73/248,699.76 = 98,551.95/x
  3. Step 3: Cross multiply
    180,221.73x = 248,699.76 × 98,551.95
  4. Step 4: Simplify right side
    180,221.73x = 24,509,846,312.53
  5. Step 5: Solve for x
    x = 24,509,846,312.53/180,221.73
  6. Step 6: Final answer
    x = 135,998.29

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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.