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Finding the Fourth Proportional to 59,598,906.80, 89,408,857.80 and 21,282,666.80

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Solution

The fourth proportional to 59,598,906.80, 89,408,857.80 and 21,282,666.80 is: 31,927,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,598,906.80 : 89,408,857.80 = 21,282,666.80 : x
  2. Step 2: Convert to fraction form
    59,598,906.80/89,408,857.80 = 21,282,666.80/x
  3. Step 3: Cross multiply
    59,598,906.80x = 89,408,857.80 × 21,282,666.80
  4. Step 4: Simplify right side
    59,598,906.80x = 1,902,858,929,525,981
  5. Step 5: Solve for x
    x = 1,902,858,929,525,981/59,598,906.80
  6. Step 6: Final answer
    x = 31,927,748.87

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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.