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Finding the Fourth Proportional to 102,441.92, 153,657.36 and 39,292.28

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Solution

The fourth proportional to 102,441.92, 153,657.36 and 39,292.28 is: 58,936.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,441.92 : 153,657.36 = 39,292.28 : x
  2. Step 2: Convert to fraction form
    102,441.92/153,657.36 = 39,292.28/x
  3. Step 3: Cross multiply
    102,441.92x = 153,657.36 × 39,292.28
  4. Step 4: Simplify right side
    102,441.92x = 6,037,548,013.18
  5. Step 5: Solve for x
    x = 6,037,548,013.18/102,441.92
  6. Step 6: Final answer
    x = 58,936.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.