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Finding the Fourth Proportional to 169,968.74, 254,765.96 and 70,074.14

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Solution

The fourth proportional to 169,968.74, 254,765.96 and 70,074.14 is: 105,034.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,968.74 : 254,765.96 = 70,074.14 : x
  2. Step 2: Convert to fraction form
    169,968.74/254,765.96 = 70,074.14/x
  3. Step 3: Cross multiply
    169,968.74x = 254,765.96 × 70,074.14
  4. Step 4: Simplify right side
    169,968.74x = 17,852,505,548.27
  5. Step 5: Solve for x
    x = 17,852,505,548.27/169,968.74
  6. Step 6: Final answer
    x = 105,034.05

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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.