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Finding the Fourth Proportional to 144,494.19, 216,764.43 and 44,630.91

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Solution

The fourth proportional to 144,494.19, 216,764.43 and 44,630.91 is: 66,953.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,494.19 : 216,764.43 = 44,630.91 : x
  2. Step 2: Convert to fraction form
    144,494.19/216,764.43 = 44,630.91/x
  3. Step 3: Cross multiply
    144,494.19x = 216,764.43 × 44,630.91
  4. Step 4: Simplify right side
    144,494.19x = 9,674,393,766.53
  5. Step 5: Solve for x
    x = 9,674,393,766.53/144,494.19
  6. Step 6: Final answer
    x = 66,953.51

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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.