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Finding the Fourth Proportional to 194,313.62, 290,932.22 and 99,339.36

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Solution

The fourth proportional to 194,313.62, 290,932.22 and 99,339.36 is: 148,733.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,313.62 : 290,932.22 = 99,339.36 : x
  2. Step 2: Convert to fraction form
    194,313.62/290,932.22 = 99,339.36/x
  3. Step 3: Cross multiply
    194,313.62x = 290,932.22 × 99,339.36
  4. Step 4: Simplify right side
    194,313.62x = 28,901,020,538.18
  5. Step 5: Solve for x
    x = 28,901,020,538.18/194,313.62
  6. Step 6: Final answer
    x = 148,733.89

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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.