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Finding the Fourth Proportional to 144,597.30, 216,815.49 and 44,729.70

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Solution

The fourth proportional to 144,597.30, 216,815.49 and 44,729.70 is: 67,069.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,597.30 : 216,815.49 = 44,729.70 : x
  2. Step 2: Convert to fraction form
    144,597.30/216,815.49 = 44,729.70/x
  3. Step 3: Cross multiply
    144,597.30x = 216,815.49 × 44,729.70
  4. Step 4: Simplify right side
    144,597.30x = 9,698,091,823.05
  5. Step 5: Solve for x
    x = 9,698,091,823.05/144,597.30
  6. Step 6: Final answer
    x = 67,069.66

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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.