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Finding the Fourth Proportional to 168,502,968.60, 252,376,539.30 and 168,502,968.60

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Solution

The fourth proportional to 168,502,968.60, 252,376,539.30 and 168,502,968.60 is: 252,376,539.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,502,968.60 : 252,376,539.30 = 168,502,968.60 : x
  2. Step 2: Convert to fraction form
    168,502,968.60/252,376,539.30 = 168,502,968.60/x
  3. Step 3: Cross multiply
    168,502,968.60x = 252,376,539.30 × 168,502,968.60
  4. Step 4: Simplify right side
    168,502,968.60x = 42,526,196,077,044,568
  5. Step 5: Solve for x
    x = 42,526,196,077,044,568/168,502,968.60
  6. Step 6: Final answer
    x = 252,376,539.30

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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.