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Finding the Fourth Proportional to 61,406.20, 92,148.06 and 35,162.20

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Solution

The fourth proportional to 61,406.20, 92,148.06 and 35,162.20 is: 52,765.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,406.20 : 92,148.06 = 35,162.20 : x
  2. Step 2: Convert to fraction form
    61,406.20/92,148.06 = 35,162.20/x
  3. Step 3: Cross multiply
    61,406.20x = 92,148.06 × 35,162.20
  4. Step 4: Simplify right side
    61,406.20x = 3,240,128,515.33
  5. Step 5: Solve for x
    x = 3,240,128,515.33/61,406.20
  6. Step 6: Final answer
    x = 52,765.49

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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.