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Finding the Fourth Proportional to 62,496.80, 93,550.80 and 45,000.80

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Solution

The fourth proportional to 62,496.80, 93,550.80 and 45,000.80 is: 67,361.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,496.80 : 93,550.80 = 45,000.80 : x
  2. Step 2: Convert to fraction form
    62,496.80/93,550.80 = 45,000.80/x
  3. Step 3: Cross multiply
    62,496.80x = 93,550.80 × 45,000.80
  4. Step 4: Simplify right side
    62,496.80x = 4,209,860,840.64
  5. Step 5: Solve for x
    x = 4,209,860,840.64/62,496.80
  6. Step 6: Final answer
    x = 67,361.22

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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.