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Finding the Fourth Proportional to 144,903.44, 199,962.60 and 84,487.44

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Solution

The fourth proportional to 144,903.44, 199,962.60 and 84,487.44 is: 116,590.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,903.44 : 199,962.60 = 84,487.44 : x
  2. Step 2: Convert to fraction form
    144,903.44/199,962.60 = 84,487.44/x
  3. Step 3: Cross multiply
    144,903.44x = 199,962.60 × 84,487.44
  4. Step 4: Simplify right side
    144,903.44x = 16,894,328,169.74
  5. Step 5: Solve for x
    x = 16,894,328,169.74/144,903.44
  6. Step 6: Final answer
    x = 116,590.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.