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Finding the Fourth Proportional to 228,461,571.84, 342,828,489.60 and 82,906,483.68

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Solution

The fourth proportional to 228,461,571.84, 342,828,489.60 and 82,906,483.68 is: 124,409,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,461,571.84 : 342,828,489.60 = 82,906,483.68 : x
  2. Step 2: Convert to fraction form
    228,461,571.84/342,828,489.60 = 82,906,483.68/x
  3. Step 3: Cross multiply
    228,461,571.84x = 342,828,489.60 × 82,906,483.68
  4. Step 4: Simplify right side
    228,461,571.84x = 28,422,704,578,061,456
  5. Step 5: Solve for x
    x = 28,422,704,578,061,456/228,461,571.84
  6. Step 6: Final answer
    x = 124,409,126.44

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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.