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Finding the Fourth Proportional to 143,989.34, 216,025.47 and 44,164.18

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Solution

The fourth proportional to 143,989.34, 216,025.47 and 44,164.18 is: 66,258.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,989.34 : 216,025.47 = 44,164.18 : x
  2. Step 2: Convert to fraction form
    143,989.34/216,025.47 = 44,164.18/x
  3. Step 3: Cross multiply
    143,989.34x = 216,025.47 × 44,164.18
  4. Step 4: Simplify right side
    143,989.34x = 9,540,587,201.60
  5. Step 5: Solve for x
    x = 9,540,587,201.60/143,989.34
  6. Step 6: Final answer
    x = 66,258.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.