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Finding the Fourth Proportional to 212,608.59, 318,869.07 and 94,204.41

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Solution

The fourth proportional to 212,608.59, 318,869.07 and 94,204.41 is: 141,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,608.59 : 318,869.07 = 94,204.41 : x
  2. Step 2: Convert to fraction form
    212,608.59/318,869.07 = 94,204.41/x
  3. Step 3: Cross multiply
    212,608.59x = 318,869.07 × 94,204.41
  4. Step 4: Simplify right side
    212,608.59x = 30,038,872,606.60
  5. Step 5: Solve for x
    x = 30,038,872,606.60/212,608.59
  6. Step 6: Final answer
    x = 141,287.20

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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.