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Finding the Fourth Proportional to 107,062.60, 160,427.10 and 40,466.40

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Solution

The fourth proportional to 107,062.60, 160,427.10 and 40,466.40 is: 60,636.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,062.60 : 160,427.10 = 40,466.40 : x
  2. Step 2: Convert to fraction form
    107,062.60/160,427.10 = 40,466.40/x
  3. Step 3: Cross multiply
    107,062.60x = 160,427.10 × 40,466.40
  4. Step 4: Simplify right side
    107,062.60x = 6,491,907,199.44
  5. Step 5: Solve for x
    x = 6,491,907,199.44/107,062.60
  6. Step 6: Final answer
    x = 60,636.55

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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.