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Finding the Fourth Proportional to 104,976,267.80, 157,464,401.70 and 79,467,099.80

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Solution

The fourth proportional to 104,976,267.80, 157,464,401.70 and 79,467,099.80 is: 119,200,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,267.80 : 157,464,401.70 = 79,467,099.80 : x
  2. Step 2: Convert to fraction form
    104,976,267.80/157,464,401.70 = 79,467,099.80/x
  3. Step 3: Cross multiply
    104,976,267.80x = 157,464,401.70 × 79,467,099.80
  4. Step 4: Simplify right side
    104,976,267.80x = 12,513,239,324,841,188
  5. Step 5: Solve for x
    x = 12,513,239,324,841,188/104,976,267.80
  6. Step 6: Final answer
    x = 119,200,649.70

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1.5x scale

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.