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Finding the Fourth Proportional to 196,490.96, 294,489.84 and 84,038.96

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Solution

The fourth proportional to 196,490.96, 294,489.84 and 84,038.96 is: 125,952.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,490.96 : 294,489.84 = 84,038.96 : x
  2. Step 2: Convert to fraction form
    196,490.96/294,489.84 = 84,038.96/x
  3. Step 3: Cross multiply
    196,490.96x = 294,489.84 × 84,038.96
  4. Step 4: Simplify right side
    196,490.96x = 24,748,619,884.17
  5. Step 5: Solve for x
    x = 24,748,619,884.17/196,490.96
  6. Step 6: Final answer
    x = 125,952.97

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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.