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Finding the Fourth Proportional to 241,065.10, 332,706.66 and 153,887.86

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Solution

The fourth proportional to 241,065.10, 332,706.66 and 153,887.86 is: 212,388.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,065.10 : 332,706.66 = 153,887.86 : x
  2. Step 2: Convert to fraction form
    241,065.10/332,706.66 = 153,887.86/x
  3. Step 3: Cross multiply
    241,065.10x = 332,706.66 × 153,887.86
  4. Step 4: Simplify right side
    241,065.10x = 51,199,515,915.15
  5. Step 5: Solve for x
    x = 51,199,515,915.15/241,065.10
  6. Step 6: Final answer
    x = 212,388.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.