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Finding the Fourth Proportional to 144,539.28, 216,814.48 and 44,690.48

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Solution

The fourth proportional to 144,539.28, 216,814.48 and 44,690.48 is: 67,037.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,539.28 : 216,814.48 = 44,690.48 : x
  2. Step 2: Convert to fraction form
    144,539.28/216,814.48 = 44,690.48/x
  3. Step 3: Cross multiply
    144,539.28x = 216,814.48 × 44,690.48
  4. Step 4: Simplify right side
    144,539.28x = 9,689,543,182.15
  5. Step 5: Solve for x
    x = 9,689,543,182.15/144,539.28
  6. Step 6: Final answer
    x = 67,037.44

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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.