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Finding the Fourth Proportional to 104,998.48, 144,894.72 and 57,252.76

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Solution

The fourth proportional to 104,998.48, 144,894.72 and 57,252.76 is: 79,007.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,998.48 : 144,894.72 = 57,252.76 : x
  2. Step 2: Convert to fraction form
    104,998.48/144,894.72 = 57,252.76/x
  3. Step 3: Cross multiply
    104,998.48x = 144,894.72 × 57,252.76
  4. Step 4: Simplify right side
    104,998.48x = 8,295,622,629.43
  5. Step 5: Solve for x
    x = 8,295,622,629.43/104,998.48
  6. Step 6: Final answer
    x = 79,007.07

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1.5x scale

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.