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Finding the Fourth Proportional to 201,632.76, 278,259.84 and 110,995.38

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Solution

The fourth proportional to 201,632.76, 278,259.84 and 110,995.38 is: 153,177.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,632.76 : 278,259.84 = 110,995.38 : x
  2. Step 2: Convert to fraction form
    201,632.76/278,259.84 = 110,995.38/x
  3. Step 3: Cross multiply
    201,632.76x = 278,259.84 × 110,995.38
  4. Step 4: Simplify right side
    201,632.76x = 30,885,556,679.54
  5. Step 5: Solve for x
    x = 30,885,556,679.54/201,632.76
  6. Step 6: Final answer
    x = 153,177.27

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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.