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Finding the Fourth Proportional to 162,931,231.60, 244,396,847.40 and 161,797,490.80

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Solution

The fourth proportional to 162,931,231.60, 244,396,847.40 and 161,797,490.80 is: 242,696,236.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,931,231.60 : 244,396,847.40 = 161,797,490.80 : x
  2. Step 2: Convert to fraction form
    162,931,231.60/244,396,847.40 = 161,797,490.80/x
  3. Step 3: Cross multiply
    162,931,231.60x = 244,396,847.40 × 161,797,490.80
  4. Step 4: Simplify right side
    162,931,231.60x = 39,542,796,668,750,504
  5. Step 5: Solve for x
    x = 39,542,796,668,750,504/162,931,231.60
  6. Step 6: Final answer
    x = 242,696,236.20

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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.