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Finding the Fourth Proportional to 103,640.32, 155,460.18 and 32,568.22

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Solution

The fourth proportional to 103,640.32, 155,460.18 and 32,568.22 is: 48,852.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,640.32 : 155,460.18 = 32,568.22 : x
  2. Step 2: Convert to fraction form
    103,640.32/155,460.18 = 32,568.22/x
  3. Step 3: Cross multiply
    103,640.32x = 155,460.18 × 32,568.22
  4. Step 4: Simplify right side
    103,640.32x = 5,063,061,343.48
  5. Step 5: Solve for x
    x = 5,063,061,343.48/103,640.32
  6. Step 6: Final answer
    x = 48,852.24

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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.