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Finding the Fourth Proportional to 331,466.95, 496,867.50 and 106,662.16

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Solution

The fourth proportional to 331,466.95, 496,867.50 and 106,662.16 is: 159,886.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,466.95 : 496,867.50 = 106,662.16 : x
  2. Step 2: Convert to fraction form
    331,466.95/496,867.50 = 106,662.16/x
  3. Step 3: Cross multiply
    331,466.95x = 496,867.50 × 106,662.16
  4. Step 4: Simplify right side
    331,466.95x = 52,996,960,783.80
  5. Step 5: Solve for x
    x = 52,996,960,783.80/331,466.95
  6. Step 6: Final answer
    x = 159,886.11

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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.