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Finding the Fourth Proportional to 85,240.96, 127,806.08 and 35,307.52

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Solution

The fourth proportional to 85,240.96, 127,806.08 and 35,307.52 is: 52,938.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,240.96 : 127,806.08 = 35,307.52 : x
  2. Step 2: Convert to fraction form
    85,240.96/127,806.08 = 35,307.52/x
  3. Step 3: Cross multiply
    85,240.96x = 127,806.08 × 35,307.52
  4. Step 4: Simplify right side
    85,240.96x = 4,512,515,725.72
  5. Step 5: Solve for x
    x = 4,512,515,725.72/85,240.96
  6. Step 6: Final answer
    x = 52,938.35

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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.