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Finding the Fourth Proportional to 197,866.82, 296,898.66 and 157,926.74

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Solution

The fourth proportional to 197,866.82, 296,898.66 and 157,926.74 is: 236,968.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,866.82 : 296,898.66 = 157,926.74 : x
  2. Step 2: Convert to fraction form
    197,866.82/296,898.66 = 157,926.74/x
  3. Step 3: Cross multiply
    197,866.82x = 296,898.66 × 157,926.74
  4. Step 4: Simplify right side
    197,866.82x = 46,888,235,999.68
  5. Step 5: Solve for x
    x = 46,888,235,999.68/197,866.82
  6. Step 6: Final answer
    x = 236,968.66

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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.