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Finding the Fourth Proportional to 133,561.60, 200,369.28 and 49,322.32

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Solution

The fourth proportional to 133,561.60, 200,369.28 and 49,322.32 is: 73,993.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,561.60 : 200,369.28 = 49,322.32 : x
  2. Step 2: Convert to fraction form
    133,561.60/200,369.28 = 49,322.32/x
  3. Step 3: Cross multiply
    133,561.60x = 200,369.28 × 49,322.32
  4. Step 4: Simplify right side
    133,561.60x = 9,882,677,746.33
  5. Step 5: Solve for x
    x = 9,882,677,746.33/133,561.60
  6. Step 6: Final answer
    x = 73,993.41

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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.