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Finding the Fourth Proportional to 111,489,907.60, 167,234,861.40 and 111,489,907.60

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Solution

The fourth proportional to 111,489,907.60, 167,234,861.40 and 111,489,907.60 is: 167,234,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,489,907.60 : 167,234,861.40 = 111,489,907.60 : x
  2. Step 2: Convert to fraction form
    111,489,907.60/167,234,861.40 = 111,489,907.60/x
  3. Step 3: Cross multiply
    111,489,907.60x = 167,234,861.40 × 111,489,907.60
  4. Step 4: Simplify right side
    111,489,907.60x = 18,644,999,244,984,808
  5. Step 5: Solve for x
    x = 18,644,999,244,984,808/111,489,907.60
  6. Step 6: Final answer
    x = 167,234,861.40

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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.