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Finding the Fourth Proportional to 238,665.60, 357,761.85 and 112,079.22

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Solution

The fourth proportional to 238,665.60, 357,761.85 and 112,079.22 is: 168,007.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,665.60 : 357,761.85 = 112,079.22 : x
  2. Step 2: Convert to fraction form
    238,665.60/357,761.85 = 112,079.22/x
  3. Step 3: Cross multiply
    238,665.60x = 357,761.85 × 112,079.22
  4. Step 4: Simplify right side
    238,665.60x = 40,097,669,093.76
  5. Step 5: Solve for x
    x = 40,097,669,093.76/238,665.60
  6. Step 6: Final answer
    x = 168,007.74

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Why These Related Problems?

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