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Finding the Fourth Proportional to 144,150.98, 216,247.14 and 44,319.56

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Solution

The fourth proportional to 144,150.98, 216,247.14 and 44,319.56 is: 66,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,150.98 : 216,247.14 = 44,319.56 : x
  2. Step 2: Convert to fraction form
    144,150.98/216,247.14 = 44,319.56/x
  3. Step 3: Cross multiply
    144,150.98x = 216,247.14 × 44,319.56
  4. Step 4: Simplify right side
    144,150.98x = 9,583,977,139.47
  5. Step 5: Solve for x
    x = 9,583,977,139.47/144,150.98
  6. Step 6: Final answer
    x = 66,485.69

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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.