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Finding the Fourth Proportional to 196,071.50, 294,107.28 and 48,327.50

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Solution

The fourth proportional to 196,071.50, 294,107.28 and 48,327.50 is: 72,491.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,071.50 : 294,107.28 = 48,327.50 : x
  2. Step 2: Convert to fraction form
    196,071.50/294,107.28 = 48,327.50/x
  3. Step 3: Cross multiply
    196,071.50x = 294,107.28 × 48,327.50
  4. Step 4: Simplify right side
    196,071.50x = 14,213,469,574.20
  5. Step 5: Solve for x
    x = 14,213,469,574.20/196,071.50
  6. Step 6: Final answer
    x = 72,491.26

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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.