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Finding the Fourth Proportional to 265,884.96, 366,922.38 and 145,028.82

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Solution

The fourth proportional to 265,884.96, 366,922.38 and 145,028.82 is: 200,140.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,884.96 : 366,922.38 = 145,028.82 : x
  2. Step 2: Convert to fraction form
    265,884.96/366,922.38 = 145,028.82/x
  3. Step 3: Cross multiply
    265,884.96x = 366,922.38 × 145,028.82
  4. Step 4: Simplify right side
    265,884.96x = 53,214,319,802.99
  5. Step 5: Solve for x
    x = 53,214,319,802.99/265,884.96
  6. Step 6: Final answer
    x = 200,140.39

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1.5x scale

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.