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Finding the Fourth Proportional to 133,058.56, 199,619.79 and 44,312.86

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Solution

The fourth proportional to 133,058.56, 199,619.79 and 44,312.86 is: 66,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,058.56 : 199,619.79 = 44,312.86 : x
  2. Step 2: Convert to fraction form
    133,058.56/199,619.79 = 44,312.86/x
  3. Step 3: Cross multiply
    133,058.56x = 199,619.79 × 44,312.86
  4. Step 4: Simplify right side
    133,058.56x = 8,845,723,807.50
  5. Step 5: Solve for x
    x = 8,845,723,807.50/133,058.56
  6. Step 6: Final answer
    x = 66,479.93

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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.