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Finding the Fourth Proportional to 186,650.40, 279,975.60 and 164,877.60

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Solution

The fourth proportional to 186,650.40, 279,975.60 and 164,877.60 is: 247,316.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,650.40 : 279,975.60 = 164,877.60 : x
  2. Step 2: Convert to fraction form
    186,650.40/279,975.60 = 164,877.60/x
  3. Step 3: Cross multiply
    186,650.40x = 279,975.60 × 164,877.60
  4. Step 4: Simplify right side
    186,650.40x = 46,161,704,986.56
  5. Step 5: Solve for x
    x = 46,161,704,986.56/186,650.40
  6. Step 6: Final answer
    x = 247,316.40

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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.