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Finding the Fourth Proportional to 162,925.70, 244,376.40 and 68,131.40

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Solution

The fourth proportional to 162,925.70, 244,376.40 and 68,131.40 is: 102,192.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,925.70 : 244,376.40 = 68,131.40 : x
  2. Step 2: Convert to fraction form
    162,925.70/244,376.40 = 68,131.40/x
  3. Step 3: Cross multiply
    162,925.70x = 244,376.40 × 68,131.40
  4. Step 4: Simplify right side
    162,925.70x = 16,649,706,258.96
  5. Step 5: Solve for x
    x = 16,649,706,258.96/162,925.70
  6. Step 6: Final answer
    x = 102,192.02

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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.