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Finding the Fourth Proportional to 104,998.98, 144,895.42 and 57,253.26

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Solution

The fourth proportional to 104,998.98, 144,895.42 and 57,253.26 is: 79,007.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,998.98 : 144,895.42 = 57,253.26 : x
  2. Step 2: Convert to fraction form
    104,998.98/144,895.42 = 57,253.26/x
  3. Step 3: Cross multiply
    104,998.98x = 144,895.42 × 57,253.26
  4. Step 4: Simplify right side
    104,998.98x = 8,295,735,154.07
  5. Step 5: Solve for x
    x = 8,295,735,154.07/104,998.98
  6. Step 6: Final answer
    x = 79,007.77

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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.