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Finding the Fourth Proportional to 168,397,798.70, 252,596,698.05 and 168,397,798.70

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Solution

The fourth proportional to 168,397,798.70, 252,596,698.05 and 168,397,798.70 is: 252,596,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,397,798.70 : 252,596,698.05 = 168,397,798.70 : x
  2. Step 2: Convert to fraction form
    168,397,798.70/252,596,698.05 = 168,397,798.70/x
  3. Step 3: Cross multiply
    168,397,798.70x = 252,596,698.05 × 168,397,798.70
  4. Step 4: Simplify right side
    168,397,798.70x = 42,536,727,910,508,584
  5. Step 5: Solve for x
    x = 42,536,727,910,508,584/168,397,798.70
  6. Step 6: Final answer
    x = 252,596,698.05

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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.