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Finding the Fourth Proportional to 155,289.96, 214,308 and 94,850.82

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Solution

The fourth proportional to 155,289.96, 214,308 and 94,850.82 is: 130,898.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,289.96 : 214,308 = 94,850.82 : x
  2. Step 2: Convert to fraction form
    155,289.96/214,308 = 94,850.82/x
  3. Step 3: Cross multiply
    155,289.96x = 214,308 × 94,850.82
  4. Step 4: Simplify right side
    155,289.96x = 20,327,289,532.56
  5. Step 5: Solve for x
    x = 20,327,289,532.56/155,289.96
  6. Step 6: Final answer
    x = 130,898.93

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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.