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Finding the Fourth Proportional to 102,350.40, 141,239.54 and 57,027.22

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Solution

The fourth proportional to 102,350.40, 141,239.54 and 57,027.22 is: 78,695.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,350.40 : 141,239.54 = 57,027.22 : x
  2. Step 2: Convert to fraction form
    102,350.40/141,239.54 = 57,027.22/x
  3. Step 3: Cross multiply
    102,350.40x = 141,239.54 × 57,027.22
  4. Step 4: Simplify right side
    102,350.40x = 8,054,498,205.32
  5. Step 5: Solve for x
    x = 8,054,498,205.32/102,350.40
  6. Step 6: Final answer
    x = 78,695.32

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