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Finding the Fourth Proportional to 194,295.96, 291,360.72 and 67,898.40

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Solution

The fourth proportional to 194,295.96, 291,360.72 and 67,898.40 is: 101,818.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,295.96 : 291,360.72 = 67,898.40 : x
  2. Step 2: Convert to fraction form
    194,295.96/291,360.72 = 67,898.40/x
  3. Step 3: Cross multiply
    194,295.96x = 291,360.72 × 67,898.40
  4. Step 4: Simplify right side
    194,295.96x = 19,782,926,710.85
  5. Step 5: Solve for x
    x = 19,782,926,710.85/194,295.96
  6. Step 6: Final answer
    x = 101,818.52

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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.