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Finding the Fourth Proportional to 144,051.89, 216,069.64 and 44,211.94

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Solution

The fourth proportional to 144,051.89, 216,069.64 and 44,211.94 is: 66,315.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,051.89 : 216,069.64 = 44,211.94 : x
  2. Step 2: Convert to fraction form
    144,051.89/216,069.64 = 44,211.94/x
  3. Step 3: Cross multiply
    144,051.89x = 216,069.64 × 44,211.94
  4. Step 4: Simplify right side
    144,051.89x = 9,552,857,308.80
  5. Step 5: Solve for x
    x = 9,552,857,308.80/144,051.89
  6. Step 6: Final answer
    x = 66,315.39

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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.