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Finding the Fourth Proportional to 268,393.80, 370,397.70 and 160,968.36

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Solution

The fourth proportional to 268,393.80, 370,397.70 and 160,968.36 is: 222,144.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,393.80 : 370,397.70 = 160,968.36 : x
  2. Step 2: Convert to fraction form
    268,393.80/370,397.70 = 160,968.36/x
  3. Step 3: Cross multiply
    268,393.80x = 370,397.70 × 160,968.36
  4. Step 4: Simplify right side
    268,393.80x = 59,622,310,316.77
  5. Step 5: Solve for x
    x = 59,622,310,316.77/268,393.80
  6. Step 6: Final answer
    x = 222,144.89

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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.