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Finding the Fourth Proportional to 180,419.52, 248,983 and 116,867.92

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Solution

The fourth proportional to 180,419.52, 248,983 and 116,867.92 is: 161,280.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,419.52 : 248,983 = 116,867.92 : x
  2. Step 2: Convert to fraction form
    180,419.52/248,983 = 116,867.92/x
  3. Step 3: Cross multiply
    180,419.52x = 248,983 × 116,867.92
  4. Step 4: Simplify right side
    180,419.52x = 29,098,125,325.36
  5. Step 5: Solve for x
    x = 29,098,125,325.36/180,419.52
  6. Step 6: Final answer
    x = 161,280.36

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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.