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Finding the Fourth Proportional to 144,346.57, 216,505.94 and 44,479.95

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Solution

The fourth proportional to 144,346.57, 216,505.94 and 44,479.95 is: 66,715.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,346.57 : 216,505.94 = 44,479.95 : x
  2. Step 2: Convert to fraction form
    144,346.57/216,505.94 = 44,479.95/x
  3. Step 3: Cross multiply
    144,346.57x = 216,505.94 × 44,479.95
  4. Step 4: Simplify right side
    144,346.57x = 9,630,173,694.55
  5. Step 5: Solve for x
    x = 9,630,173,694.55/144,346.57
  6. Step 6: Final answer
    x = 66,715.64

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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.