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Finding the Fourth Proportional to 144,290.85, 216,459.96 and 44,448.85

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Solution

The fourth proportional to 144,290.85, 216,459.96 and 44,448.85 is: 66,680.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,290.85 : 216,459.96 = 44,448.85 : x
  2. Step 2: Convert to fraction form
    144,290.85/216,459.96 = 44,448.85/x
  3. Step 3: Cross multiply
    144,290.85x = 216,459.96 × 44,448.85
  4. Step 4: Simplify right side
    144,290.85x = 9,621,396,293.05
  5. Step 5: Solve for x
    x = 9,621,396,293.05/144,290.85
  6. Step 6: Final answer
    x = 66,680.57

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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.