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Finding the Fourth Proportional to 101,779, 140,455.08 and 62,035

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Solution

The fourth proportional to 101,779, 140,455.08 and 62,035 is: 85,608.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,779 : 140,455.08 = 62,035 : x
  2. Step 2: Convert to fraction form
    101,779/140,455.08 = 62,035/x
  3. Step 3: Cross multiply
    101,779x = 140,455.08 × 62,035
  4. Step 4: Simplify right side
    101,779x = 8,713,130,887.80
  5. Step 5: Solve for x
    x = 8,713,130,887.80/101,779
  6. Step 6: Final answer
    x = 85,608.34

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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.