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Finding the Fourth Proportional to 133,013.96, 199,203.12 and 73,702.52

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Solution

The fourth proportional to 133,013.96, 199,203.12 and 73,702.52 is: 110,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,013.96 : 199,203.12 = 73,702.52 : x
  2. Step 2: Convert to fraction form
    133,013.96/199,203.12 = 73,702.52/x
  3. Step 3: Cross multiply
    133,013.96x = 199,203.12 × 73,702.52
  4. Step 4: Simplify right side
    133,013.96x = 14,681,771,935.86
  5. Step 5: Solve for x
    x = 14,681,771,935.86/133,013.96
  6. Step 6: Final answer
    x = 110,377.68

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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.