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Finding the Fourth Proportional to 133,279.20, 199,929.12 and 44,533.01

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Solution

The fourth proportional to 133,279.20, 199,929.12 and 44,533.01 is: 66,802.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,279.20 : 199,929.12 = 44,533.01 : x
  2. Step 2: Convert to fraction form
    133,279.20/199,929.12 = 44,533.01/x
  3. Step 3: Cross multiply
    133,279.20x = 199,929.12 × 44,533.01
  4. Step 4: Simplify right side
    133,279.20x = 8,903,446,000.07
  5. Step 5: Solve for x
    x = 8,903,446,000.07/133,279.20
  6. Step 6: Final answer
    x = 66,802.97

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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.