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Finding the Fourth Proportional to 133,607.61, 200,421.14 and 44,860.37

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Solution

The fourth proportional to 133,607.61, 200,421.14 and 44,860.37 is: 67,293.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,607.61 : 200,421.14 = 44,860.37 : x
  2. Step 2: Convert to fraction form
    133,607.61/200,421.14 = 44,860.37/x
  3. Step 3: Cross multiply
    133,607.61x = 200,421.14 × 44,860.37
  4. Step 4: Simplify right side
    133,607.61x = 8,990,965,269.81
  5. Step 5: Solve for x
    x = 8,990,965,269.81/133,607.61
  6. Step 6: Final answer
    x = 67,293.81

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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.