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Finding the Fourth Proportional to 194,339.91, 291,288.74 and 118,270.64

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Solution

The fourth proportional to 194,339.91, 291,288.74 and 118,270.64 is: 177,271.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,339.91 : 291,288.74 = 118,270.64 : x
  2. Step 2: Convert to fraction form
    194,339.91/291,288.74 = 118,270.64/x
  3. Step 3: Cross multiply
    194,339.91x = 291,288.74 × 118,270.64
  4. Step 4: Simplify right side
    194,339.91x = 34,450,903,656.80
  5. Step 5: Solve for x
    x = 34,450,903,656.80/194,339.91
  6. Step 6: Final answer
    x = 177,271.38

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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.