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Finding the Fourth Proportional to 121,955.78, 182,960.54 and 36,563.23

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Solution

The fourth proportional to 121,955.78, 182,960.54 and 36,563.23 is: 54,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,955.78 : 182,960.54 = 36,563.23 : x
  2. Step 2: Convert to fraction form
    121,955.78/182,960.54 = 36,563.23/x
  3. Step 3: Cross multiply
    121,955.78x = 182,960.54 × 36,563.23
  4. Step 4: Simplify right side
    121,955.78x = 6,689,627,938.95
  5. Step 5: Solve for x
    x = 6,689,627,938.95/121,955.78
  6. Step 6: Final answer
    x = 54,852.90

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1.5x scale

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.