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Finding the Fourth Proportional to 73,349,467.20, 110,024,200.80 and 65,696,716.80

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Solution

The fourth proportional to 73,349,467.20, 110,024,200.80 and 65,696,716.80 is: 98,545,075.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,349,467.20 : 110,024,200.80 = 65,696,716.80 : x
  2. Step 2: Convert to fraction form
    73,349,467.20/110,024,200.80 = 65,696,716.80/x
  3. Step 3: Cross multiply
    73,349,467.20x = 110,024,200.80 × 65,696,716.80
  4. Step 4: Simplify right side
    73,349,467.20x = 7,228,228,761,103,933
  5. Step 5: Solve for x
    x = 7,228,228,761,103,933/73,349,467.20
  6. Step 6: Final answer
    x = 98,545,075.20

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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.