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Finding the Fourth Proportional to 192,883.40, 289,325.10 and 162,470.60

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Solution

The fourth proportional to 192,883.40, 289,325.10 and 162,470.60 is: 243,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,883.40 : 289,325.10 = 162,470.60 : x
  2. Step 2: Convert to fraction form
    192,883.40/289,325.10 = 162,470.60/x
  3. Step 3: Cross multiply
    192,883.40x = 289,325.10 × 162,470.60
  4. Step 4: Simplify right side
    192,883.40x = 47,006,822,592.06
  5. Step 5: Solve for x
    x = 47,006,822,592.06/192,883.40
  6. Step 6: Final answer
    x = 243,705.90

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1.5x scale

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.