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Finding the Fourth Proportional to 168,759,491.80, 253,148,982.08 and 65,129,234.88

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Solution

The fourth proportional to 168,759,491.80, 253,148,982.08 and 65,129,234.88 is: 97,697,612.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,759,491.80 : 253,148,982.08 = 65,129,234.88 : x
  2. Step 2: Convert to fraction form
    168,759,491.80/253,148,982.08 = 65,129,234.88/x
  3. Step 3: Cross multiply
    168,759,491.80x = 253,148,982.08 × 65,129,234.88
  4. Step 4: Simplify right side
    168,759,491.80x = 16,487,399,513,521,232
  5. Step 5: Solve for x
    x = 16,487,399,513,521,232/168,759,491.80
  6. Step 6: Final answer
    x = 97,697,612.96

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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.