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Finding the Fourth Proportional to 162,711.60, 244,286.10 and 103,808.40

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Solution

The fourth proportional to 162,711.60, 244,286.10 and 103,808.40 is: 155,852.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,711.60 : 244,286.10 = 103,808.40 : x
  2. Step 2: Convert to fraction form
    162,711.60/244,286.10 = 103,808.40/x
  3. Step 3: Cross multiply
    162,711.60x = 244,286.10 × 103,808.40
  4. Step 4: Simplify right side
    162,711.60x = 25,358,949,183.24
  5. Step 5: Solve for x
    x = 25,358,949,183.24/162,711.60
  6. Step 6: Final answer
    x = 155,852.13

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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.