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Finding the Fourth Proportional to 196,653.60, 294,995.25 and 54,497.25

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Solution

The fourth proportional to 196,653.60, 294,995.25 and 54,497.25 is: 81,749.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,653.60 : 294,995.25 = 54,497.25 : x
  2. Step 2: Convert to fraction form
    196,653.60/294,995.25 = 54,497.25/x
  3. Step 3: Cross multiply
    196,653.60x = 294,995.25 × 54,497.25
  4. Step 4: Simplify right side
    196,653.60x = 16,076,429,888.06
  5. Step 5: Solve for x
    x = 16,076,429,888.06/196,653.60
  6. Step 6: Final answer
    x = 81,749.99

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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.