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Finding the Fourth Proportional to 201,119.16, 277,674.28 and 124,719.42

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Solution

The fourth proportional to 201,119.16, 277,674.28 and 124,719.42 is: 172,193.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,119.16 : 277,674.28 = 124,719.42 : x
  2. Step 2: Convert to fraction form
    201,119.16/277,674.28 = 124,719.42/x
  3. Step 3: Cross multiply
    201,119.16x = 277,674.28 × 124,719.42
  4. Step 4: Simplify right side
    201,119.16x = 34,631,375,150.52
  5. Step 5: Solve for x
    x = 34,631,375,150.52/201,119.16
  6. Step 6: Final answer
    x = 172,193.32

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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.