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Finding the Fourth Proportional to 144,381.72, 216,506.98 and 44,523.32

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Solution

The fourth proportional to 144,381.72, 216,506.98 and 44,523.32 is: 66,764.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,381.72 : 216,506.98 = 44,523.32 : x
  2. Step 2: Convert to fraction form
    144,381.72/216,506.98 = 44,523.32/x
  3. Step 3: Cross multiply
    144,381.72x = 216,506.98 × 44,523.32
  4. Step 4: Simplify right side
    144,381.72x = 9,639,609,552.77
  5. Step 5: Solve for x
    x = 9,639,609,552.77/144,381.72
  6. Step 6: Final answer
    x = 66,764.75

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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.