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Finding the Fourth Proportional to 194,901.69, 292,352.55 and 47,157.69

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Solution

The fourth proportional to 194,901.69, 292,352.55 and 47,157.69 is: 70,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,901.69 : 292,352.55 = 47,157.69 : x
  2. Step 2: Convert to fraction form
    194,901.69/292,352.55 = 47,157.69/x
  3. Step 3: Cross multiply
    194,901.69x = 292,352.55 × 47,157.69
  4. Step 4: Simplify right side
    194,901.69x = 13,786,670,687.82
  5. Step 5: Solve for x
    x = 13,786,670,687.82/194,901.69
  6. Step 6: Final answer
    x = 70,736.54

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1.5x scale

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.