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Finding the Fourth Proportional to 168,492.42, 232,515.09 and 93,039.30

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Solution

The fourth proportional to 168,492.42, 232,515.09 and 93,039.30 is: 128,391.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,492.42 : 232,515.09 = 93,039.30 : x
  2. Step 2: Convert to fraction form
    168,492.42/232,515.09 = 93,039.30/x
  3. Step 3: Cross multiply
    168,492.42x = 232,515.09 × 93,039.30
  4. Step 4: Simplify right side
    168,492.42x = 21,633,041,213.04
  5. Step 5: Solve for x
    x = 21,633,041,213.04/168,492.42
  6. Step 6: Final answer
    x = 128,391.78

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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.