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Finding the Fourth Proportional to 268,343.64, 370,284.48 and 160,918.20

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Solution

The fourth proportional to 268,343.64, 370,284.48 and 160,918.20 is: 222,049.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,343.64 : 370,284.48 = 160,918.20 : x
  2. Step 2: Convert to fraction form
    268,343.64/370,284.48 = 160,918.20/x
  3. Step 3: Cross multiply
    268,343.64x = 370,284.48 × 160,918.20
  4. Step 4: Simplify right side
    268,343.64x = 59,585,512,009.54
  5. Step 5: Solve for x
    x = 59,585,512,009.54/268,343.64
  6. Step 6: Final answer
    x = 222,049.28

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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.