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Finding the Fourth Proportional to 168,045,751.45, 252,068,627.18 and 168,045,751.45

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Solution

The fourth proportional to 168,045,751.45, 252,068,627.18 and 168,045,751.45 is: 252,068,627.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,045,751.45 : 252,068,627.18 = 168,045,751.45 : x
  2. Step 2: Convert to fraction form
    168,045,751.45/252,068,627.18 = 168,045,751.45/x
  3. Step 3: Cross multiply
    168,045,751.45x = 252,068,627.18 × 168,045,751.45
  4. Step 4: Simplify right side
    168,045,751.45x = 42,359,061,871,432,992
  5. Step 5: Solve for x
    x = 42,359,061,871,432,992/168,045,751.45
  6. Step 6: Final answer
    x = 252,068,627.18

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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.