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Finding the Fourth Proportional to 168,371.70, 252,547.63 and 63,181.78

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Solution

The fourth proportional to 168,371.70, 252,547.63 and 63,181.78 is: 94,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,371.70 : 252,547.63 = 63,181.78 : x
  2. Step 2: Convert to fraction form
    168,371.70/252,547.63 = 63,181.78/x
  3. Step 3: Cross multiply
    168,371.70x = 252,547.63 × 63,181.78
  4. Step 4: Simplify right side
    168,371.70x = 15,956,408,798.18
  5. Step 5: Solve for x
    x = 15,956,408,798.18/168,371.70
  6. Step 6: Final answer
    x = 94,768.95

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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.