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Finding the Fourth Proportional to 180,335.28, 248,727.60 and 159,941.28

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Solution

The fourth proportional to 180,335.28, 248,727.60 and 159,941.28 is: 220,599.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,335.28 : 248,727.60 = 159,941.28 : x
  2. Step 2: Convert to fraction form
    180,335.28/248,727.60 = 159,941.28/x
  3. Step 3: Cross multiply
    180,335.28x = 248,727.60 × 159,941.28
  4. Step 4: Simplify right side
    180,335.28x = 39,781,810,715.33
  5. Step 5: Solve for x
    x = 39,781,810,715.33/180,335.28
  6. Step 6: Final answer
    x = 220,599.16

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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.