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Finding the Fourth Proportional to 144,613.40, 216,936.30 and 44,772.80

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Solution

The fourth proportional to 144,613.40, 216,936.30 and 44,772.80 is: 67,164.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,613.40 : 216,936.30 = 44,772.80 : x
  2. Step 2: Convert to fraction form
    144,613.40/216,936.30 = 44,772.80/x
  3. Step 3: Cross multiply
    144,613.40x = 216,936.30 × 44,772.80
  4. Step 4: Simplify right side
    144,613.40x = 9,712,845,572.64
  5. Step 5: Solve for x
    x = 9,712,845,572.64/144,613.40
  6. Step 6: Final answer
    x = 67,164.22

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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.