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Finding the Fourth Proportional to 235,875.56, 325,294.94 and 155,273.27

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Solution

The fourth proportional to 235,875.56, 325,294.94 and 155,273.27 is: 214,136.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,875.56 : 325,294.94 = 155,273.27 : x
  2. Step 2: Convert to fraction form
    235,875.56/325,294.94 = 155,273.27/x
  3. Step 3: Cross multiply
    235,875.56x = 325,294.94 × 155,273.27
  4. Step 4: Simplify right side
    235,875.56x = 50,509,608,271.89
  5. Step 5: Solve for x
    x = 50,509,608,271.89/235,875.56
  6. Step 6: Final answer
    x = 214,136.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.