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Finding the Fourth Proportional to 196,051.59, 294,053.99 and 53,911.30

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Solution

The fourth proportional to 196,051.59, 294,053.99 and 53,911.30 is: 80,860.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,051.59 : 294,053.99 = 53,911.30 : x
  2. Step 2: Convert to fraction form
    196,051.59/294,053.99 = 53,911.30/x
  3. Step 3: Cross multiply
    196,051.59x = 294,053.99 × 53,911.30
  4. Step 4: Simplify right side
    196,051.59x = 15,852,832,871.09
  5. Step 5: Solve for x
    x = 15,852,832,871.09/196,051.59
  6. Step 6: Final answer
    x = 80,860.52

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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.