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Finding the Fourth Proportional to 180,241.73, 248,735.21 and 99,674.72

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Solution

The fourth proportional to 180,241.73, 248,735.21 and 99,674.72 is: 137,552.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,241.73 : 248,735.21 = 99,674.72 : x
  2. Step 2: Convert to fraction form
    180,241.73/248,735.21 = 99,674.72/x
  3. Step 3: Cross multiply
    180,241.73x = 248,735.21 × 99,674.72
  4. Step 4: Simplify right side
    180,241.73x = 24,792,612,410.89
  5. Step 5: Solve for x
    x = 24,792,612,410.89/180,241.73
  6. Step 6: Final answer
    x = 137,552.01

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1.5x scale

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.