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Finding the Fourth Proportional to 104,782.56, 144,578.49 and 101,182.08

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Solution

The fourth proportional to 104,782.56, 144,578.49 and 101,182.08 is: 139,610.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,782.56 : 144,578.49 = 101,182.08 : x
  2. Step 2: Convert to fraction form
    104,782.56/144,578.49 = 101,182.08/x
  3. Step 3: Cross multiply
    104,782.56x = 144,578.49 × 101,182.08
  4. Step 4: Simplify right side
    104,782.56x = 14,628,752,341.46
  5. Step 5: Solve for x
    x = 14,628,752,341.46/104,782.56
  6. Step 6: Final answer
    x = 139,610.56

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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.