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Finding the Fourth Proportional to 133,603.86, 200,415.51 and 44,856.63

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Solution

The fourth proportional to 133,603.86, 200,415.51 and 44,856.63 is: 67,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,603.86 : 200,415.51 = 44,856.63 : x
  2. Step 2: Convert to fraction form
    133,603.86/200,415.51 = 44,856.63/x
  3. Step 3: Cross multiply
    133,603.86x = 200,415.51 × 44,856.63
  4. Step 4: Simplify right side
    133,603.86x = 8,989,964,378.33
  5. Step 5: Solve for x
    x = 8,989,964,378.33/133,603.86
  6. Step 6: Final answer
    x = 67,288.21

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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.