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Finding the Fourth Proportional to 265,028.39, 365,743.57 and 144,170.33

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Solution

The fourth proportional to 265,028.39, 365,743.57 and 144,170.33 is: 198,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,028.39 : 365,743.57 = 144,170.33 : x
  2. Step 2: Convert to fraction form
    265,028.39/365,743.57 = 144,170.33/x
  3. Step 3: Cross multiply
    265,028.39x = 365,743.57 × 144,170.33
  4. Step 4: Simplify right side
    265,028.39x = 52,729,371,320.76
  5. Step 5: Solve for x
    x = 52,729,371,320.76/265,028.39
  6. Step 6: Final answer
    x = 198,957.45

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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.