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Finding the Fourth Proportional to 367,968,375.20, 551,952,562.80 and 109,223,530.40

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Solution

The fourth proportional to 367,968,375.20, 551,952,562.80 and 109,223,530.40 is: 163,835,295.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,968,375.20 : 551,952,562.80 = 109,223,530.40 : x
  2. Step 2: Convert to fraction form
    367,968,375.20/551,952,562.80 = 109,223,530.40/x
  3. Step 3: Cross multiply
    367,968,375.20x = 551,952,562.80 × 109,223,530.40
  4. Step 4: Simplify right side
    367,968,375.20x = 60,286,207,522,343,704
  5. Step 5: Solve for x
    x = 60,286,207,522,343,704/367,968,375.20
  6. Step 6: Final answer
    x = 163,835,295.60

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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.