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Finding the Fourth Proportional to 196,506.84, 294,513.62 and 84,054.89

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Solution

The fourth proportional to 196,506.84, 294,513.62 and 84,054.89 is: 125,976.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,506.84 : 294,513.62 = 84,054.89 : x
  2. Step 2: Convert to fraction form
    196,506.84/294,513.62 = 84,054.89/x
  3. Step 3: Cross multiply
    196,506.84x = 294,513.62 × 84,054.89
  4. Step 4: Simplify right side
    196,506.84x = 24,755,308,039.76
  5. Step 5: Solve for x
    x = 24,755,308,039.76/196,506.84
  6. Step 6: Final answer
    x = 125,976.83

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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.