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Finding the Fourth Proportional to 216,549.60, 298,836.48 and 119,753.44

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Solution

The fourth proportional to 216,549.60, 298,836.48 and 119,753.44 is: 165,258.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,549.60 : 298,836.48 = 119,753.44 : x
  2. Step 2: Convert to fraction form
    216,549.60/298,836.48 = 119,753.44/x
  3. Step 3: Cross multiply
    216,549.60x = 298,836.48 × 119,753.44
  4. Step 4: Simplify right side
    216,549.60x = 35,786,696,477.49
  5. Step 5: Solve for x
    x = 35,786,696,477.49/216,549.60
  6. Step 6: Final answer
    x = 165,258.66

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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.