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Finding the Fourth Proportional to 235,045.89, 352,708.88 and 85,297.86

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Solution

The fourth proportional to 235,045.89, 352,708.88 and 85,297.86 is: 127,997.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,045.89 : 352,708.88 = 85,297.86 : x
  2. Step 2: Convert to fraction form
    235,045.89/352,708.88 = 85,297.86/x
  3. Step 3: Cross multiply
    235,045.89x = 352,708.88 × 85,297.86
  4. Step 4: Simplify right side
    235,045.89x = 30,085,312,240.51
  5. Step 5: Solve for x
    x = 30,085,312,240.51/235,045.89
  6. Step 6: Final answer
    x = 127,997.61

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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.