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Finding the Fourth Proportional to 144,665.64, 217,032.12 and 44,820.54

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Solution

The fourth proportional to 144,665.64, 217,032.12 and 44,820.54 is: 67,241.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,665.64 : 217,032.12 = 44,820.54 : x
  2. Step 2: Convert to fraction form
    144,665.64/217,032.12 = 44,820.54/x
  3. Step 3: Cross multiply
    144,665.64x = 217,032.12 × 44,820.54
  4. Step 4: Simplify right side
    144,665.64x = 9,727,496,815.74
  5. Step 5: Solve for x
    x = 9,727,496,815.74/144,665.64
  6. Step 6: Final answer
    x = 67,241.24

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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.