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Finding the Fourth Proportional to 268,607.40, 403,056.90 and 110,851.80

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Solution

The fourth proportional to 268,607.40, 403,056.90 and 110,851.80 is: 166,337.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,607.40 : 403,056.90 = 110,851.80 : x
  2. Step 2: Convert to fraction form
    268,607.40/403,056.90 = 110,851.80/x
  3. Step 3: Cross multiply
    268,607.40x = 403,056.90 × 110,851.80
  4. Step 4: Simplify right side
    268,607.40x = 44,679,582,867.42
  5. Step 5: Solve for x
    x = 44,679,582,867.42/268,607.40
  6. Step 6: Final answer
    x = 166,337.87

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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.