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Finding the Fourth Proportional to 194,340.94, 291,666.92 and 100,873.42

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Solution

The fourth proportional to 194,340.94, 291,666.92 and 100,873.42 is: 151,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,340.94 : 291,666.92 = 100,873.42 : x
  2. Step 2: Convert to fraction form
    194,340.94/291,666.92 = 100,873.42/x
  3. Step 3: Cross multiply
    194,340.94x = 291,666.92 × 100,873.42
  4. Step 4: Simplify right side
    194,340.94x = 29,421,439,721.27
  5. Step 5: Solve for x
    x = 29,421,439,721.27/194,340.94
  6. Step 6: Final answer
    x = 151,390.85

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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.