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Finding the Fourth Proportional to 162,993.78, 244,443.18 and 63,131.70

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Solution

The fourth proportional to 162,993.78, 244,443.18 and 63,131.70 is: 94,679.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,993.78 : 244,443.18 = 63,131.70 : x
  2. Step 2: Convert to fraction form
    162,993.78/244,443.18 = 63,131.70/x
  3. Step 3: Cross multiply
    162,993.78x = 244,443.18 × 63,131.70
  4. Step 4: Simplify right side
    162,993.78x = 15,432,113,506.81
  5. Step 5: Solve for x
    x = 15,432,113,506.81/162,993.78
  6. Step 6: Final answer
    x = 94,679.16

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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.