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Finding the Fourth Proportional to 544,112.54, 816,167.82 and 144,753.30

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Solution

The fourth proportional to 544,112.54, 816,167.82 and 144,753.30 is: 217,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,112.54 : 816,167.82 = 144,753.30 : x
  2. Step 2: Convert to fraction form
    544,112.54/816,167.82 = 144,753.30/x
  3. Step 3: Cross multiply
    544,112.54x = 816,167.82 × 144,753.30
  4. Step 4: Simplify right side
    544,112.54x = 118,142,985,298.81
  5. Step 5: Solve for x
    x = 118,142,985,298.81/544,112.54
  6. Step 6: Final answer
    x = 217,129.69

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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.