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Finding the Fourth Proportional to 267,688.40, 401,532.60 and 109,835.60

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Solution

The fourth proportional to 267,688.40, 401,532.60 and 109,835.60 is: 164,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,688.40 : 401,532.60 = 109,835.60 : x
  2. Step 2: Convert to fraction form
    267,688.40/401,532.60 = 109,835.60/x
  3. Step 3: Cross multiply
    267,688.40x = 401,532.60 × 109,835.60
  4. Step 4: Simplify right side
    267,688.40x = 44,102,574,040.56
  5. Step 5: Solve for x
    x = 44,102,574,040.56/267,688.40
  6. Step 6: Final answer
    x = 164,753.40

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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.