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Finding the Fourth Proportional to 168,197,129.10, 252,295,693.65 and 168,197,129.10

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Solution

The fourth proportional to 168,197,129.10, 252,295,693.65 and 168,197,129.10 is: 252,295,693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,197,129.10 : 252,295,693.65 = 168,197,129.10 : x
  2. Step 2: Convert to fraction form
    168,197,129.10/252,295,693.65 = 168,197,129.10/x
  3. Step 3: Cross multiply
    168,197,129.10x = 252,295,693.65 × 168,197,129.10
  4. Step 4: Simplify right side
    168,197,129.10x = 42,435,411,356,223,096
  5. Step 5: Solve for x
    x = 42,435,411,356,223,096/168,197,129.10
  6. Step 6: Final answer
    x = 252,295,693.65

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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.