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Finding the Fourth Proportional to 43,740,903.80, 65,611,355.70 and 13,448,766.80

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Solution

The fourth proportional to 43,740,903.80, 65,611,355.70 and 13,448,766.80 is: 20,173,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,740,903.80 : 65,611,355.70 = 13,448,766.80 : x
  2. Step 2: Convert to fraction form
    43,740,903.80/65,611,355.70 = 13,448,766.80/x
  3. Step 3: Cross multiply
    43,740,903.80x = 65,611,355.70 × 13,448,766.80
  4. Step 4: Simplify right side
    43,740,903.80x = 882,391,822,241,150.88
  5. Step 5: Solve for x
    x = 882,391,822,241,150.88/43,740,903.80
  6. Step 6: Final answer
    x = 20,173,150.20

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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.