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Finding the Fourth Proportional to 243,357.98, 364,527.78 and 195,715.54

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Solution

The fourth proportional to 243,357.98, 364,527.78 and 195,715.54 is: 293,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,357.98 : 364,527.78 = 195,715.54 : x
  2. Step 2: Convert to fraction form
    243,357.98/364,527.78 = 195,715.54/x
  3. Step 3: Cross multiply
    243,357.98x = 364,527.78 × 195,715.54
  4. Step 4: Simplify right side
    243,357.98x = 71,343,751,307.70
  5. Step 5: Solve for x
    x = 71,343,751,307.70/243,357.98
  6. Step 6: Final answer
    x = 293,163.80

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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.