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Finding the Fourth Proportional to 144,380.72, 216,505.48 and 44,522.32

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Solution

The fourth proportional to 144,380.72, 216,505.48 and 44,522.32 is: 66,763.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,380.72 : 216,505.48 = 44,522.32 : x
  2. Step 2: Convert to fraction form
    144,380.72/216,505.48 = 44,522.32/x
  3. Step 3: Cross multiply
    144,380.72x = 216,505.48 × 44,522.32
  4. Step 4: Simplify right side
    144,380.72x = 9,639,326,262.31
  5. Step 5: Solve for x
    x = 9,639,326,262.31/144,380.72
  6. Step 6: Final answer
    x = 66,763.25

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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.