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Finding the Fourth Proportional to 69,799,510.80, 104,699,266.20 and 63,752,893.20

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Solution

The fourth proportional to 69,799,510.80, 104,699,266.20 and 63,752,893.20 is: 95,629,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,799,510.80 : 104,699,266.20 = 63,752,893.20 : x
  2. Step 2: Convert to fraction form
    69,799,510.80/104,699,266.20 = 63,752,893.20/x
  3. Step 3: Cross multiply
    69,799,510.80x = 104,699,266.20 × 63,752,893.20
  4. Step 4: Simplify right side
    69,799,510.80x = 6,674,881,136,166,970
  5. Step 5: Solve for x
    x = 6,674,881,136,166,970/69,799,510.80
  6. Step 6: Final answer
    x = 95,629,339.80

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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.