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Finding the Fourth Proportional to 245,266.20, 368,134.20 and 127,022.40

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Solution

The fourth proportional to 245,266.20, 368,134.20 and 127,022.40 is: 190,655.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,266.20 : 368,134.20 = 127,022.40 : x
  2. Step 2: Convert to fraction form
    245,266.20/368,134.20 = 127,022.40/x
  3. Step 3: Cross multiply
    245,266.20x = 368,134.20 × 127,022.40
  4. Step 4: Simplify right side
    245,266.20x = 46,761,289,606.08
  5. Step 5: Solve for x
    x = 46,761,289,606.08/245,266.20
  6. Step 6: Final answer
    x = 190,655.25

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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.