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Finding the Fourth Proportional to 103,441.24, 142,749.06 and 58,729.24

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Solution

The fourth proportional to 103,441.24, 142,749.06 and 58,729.24 is: 81,046.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,441.24 : 142,749.06 = 58,729.24 : x
  2. Step 2: Convert to fraction form
    103,441.24/142,749.06 = 58,729.24/x
  3. Step 3: Cross multiply
    103,441.24x = 142,749.06 × 58,729.24
  4. Step 4: Simplify right side
    103,441.24x = 8,383,543,804.51
  5. Step 5: Solve for x
    x = 8,383,543,804.51/103,441.24
  6. Step 6: Final answer
    x = 81,046.44

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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.