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Finding the Fourth Proportional to 59,821,813.80, 89,732,720.70 and 37,028,802.60

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Solution

The fourth proportional to 59,821,813.80, 89,732,720.70 and 37,028,802.60 is: 55,543,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,821,813.80 : 89,732,720.70 = 37,028,802.60 : x
  2. Step 2: Convert to fraction form
    59,821,813.80/89,732,720.70 = 37,028,802.60/x
  3. Step 3: Cross multiply
    59,821,813.80x = 89,732,720.70 × 37,028,802.60
  4. Step 4: Simplify right side
    59,821,813.80x = 3,322,695,201,561,234
  5. Step 5: Solve for x
    x = 3,322,695,201,561,234/59,821,813.80
  6. Step 6: Final answer
    x = 55,543,203.90

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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.