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Finding the Fourth Proportional to 133,684.60, 200,526.90 and 103,941.40

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Solution

The fourth proportional to 133,684.60, 200,526.90 and 103,941.40 is: 155,912.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,684.60 : 200,526.90 = 103,941.40 : x
  2. Step 2: Convert to fraction form
    133,684.60/200,526.90 = 103,941.40/x
  3. Step 3: Cross multiply
    133,684.60x = 200,526.90 × 103,941.40
  4. Step 4: Simplify right side
    133,684.60x = 20,843,046,723.66
  5. Step 5: Solve for x
    x = 20,843,046,723.66/133,684.60
  6. Step 6: Final answer
    x = 155,912.10

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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.