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Finding the Fourth Proportional to 199,407.39, 275,026.59 and 127,794.03

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Solution

The fourth proportional to 199,407.39, 275,026.59 and 127,794.03 is: 176,256.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,407.39 : 275,026.59 = 127,794.03 : x
  2. Step 2: Convert to fraction form
    199,407.39/275,026.59 = 127,794.03/x
  3. Step 3: Cross multiply
    199,407.39x = 275,026.59 × 127,794.03
  4. Step 4: Simplify right side
    199,407.39x = 35,146,756,293.26
  5. Step 5: Solve for x
    x = 35,146,756,293.26/199,407.39
  6. Step 6: Final answer
    x = 176,256.04

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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.