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Finding the Fourth Proportional to 88,698.80, 133,048.20 and 26,361.20

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Solution

The fourth proportional to 88,698.80, 133,048.20 and 26,361.20 is: 39,541.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,698.80 : 133,048.20 = 26,361.20 : x
  2. Step 2: Convert to fraction form
    88,698.80/133,048.20 = 26,361.20/x
  3. Step 3: Cross multiply
    88,698.80x = 133,048.20 × 26,361.20
  4. Step 4: Simplify right side
    88,698.80x = 3,507,310,209.84
  5. Step 5: Solve for x
    x = 3,507,310,209.84/88,698.80
  6. Step 6: Final answer
    x = 39,541.80

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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.