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Finding the Fourth Proportional to 245,393.14, 368,286.56 and 127,098.31

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Solution

The fourth proportional to 245,393.14, 368,286.56 and 127,098.31 is: 190,749.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,393.14 : 368,286.56 = 127,098.31 : x
  2. Step 2: Convert to fraction form
    245,393.14/368,286.56 = 127,098.31/x
  3. Step 3: Cross multiply
    245,393.14x = 368,286.56 × 127,098.31
  4. Step 4: Simplify right side
    245,393.14x = 46,808,598,768.74
  5. Step 5: Solve for x
    x = 46,808,598,768.74/245,393.14
  6. Step 6: Final answer
    x = 190,749.42

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1.5x scale

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.