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Finding the Fourth Proportional to 183,447.20, 274,911.60 and 113,117.60

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Solution

The fourth proportional to 183,447.20, 274,911.60 and 113,117.60 is: 169,516.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,447.20 : 274,911.60 = 113,117.60 : x
  2. Step 2: Convert to fraction form
    183,447.20/274,911.60 = 113,117.60/x
  3. Step 3: Cross multiply
    183,447.20x = 274,911.60 × 113,117.60
  4. Step 4: Simplify right side
    183,447.20x = 31,097,340,404.16
  5. Step 5: Solve for x
    x = 31,097,340,404.16/183,447.20
  6. Step 6: Final answer
    x = 169,516.57

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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.