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Finding the Fourth Proportional to 58,705,414.80, 87,883,939.80 and 43,626,195.60

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Solution

The fourth proportional to 58,705,414.80, 87,883,939.80 and 43,626,195.60 is: 65,309,851.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,705,414.80 : 87,883,939.80 = 43,626,195.60 : x
  2. Step 2: Convert to fraction form
    58,705,414.80/87,883,939.80 = 43,626,195.60/x
  3. Step 3: Cross multiply
    58,705,414.80x = 87,883,939.80 × 43,626,195.60
  4. Step 4: Simplify right side
    58,705,414.80x = 3,834,041,947,813,425
  5. Step 5: Solve for x
    x = 3,834,041,947,813,425/58,705,414.80
  6. Step 6: Final answer
    x = 65,309,851.93

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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.