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Finding the Fourth Proportional to 144,579.98, 199,380.40 and 112,737.26

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Solution

The fourth proportional to 144,579.98, 199,380.40 and 112,737.26 is: 155,468.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,579.98 : 199,380.40 = 112,737.26 : x
  2. Step 2: Convert to fraction form
    144,579.98/199,380.40 = 112,737.26/x
  3. Step 3: Cross multiply
    144,579.98x = 199,380.40 × 112,737.26
  4. Step 4: Simplify right side
    144,579.98x = 22,477,598,433.12
  5. Step 5: Solve for x
    x = 22,477,598,433.12/144,579.98
  6. Step 6: Final answer
    x = 155,468.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.