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Finding the Fourth Proportional to 193,206.40, 259,999.20 and 193,206.40

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Solution

The fourth proportional to 193,206.40, 259,999.20 and 193,206.40 is: 259,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,206.40 : 259,999.20 = 193,206.40 : x
  2. Step 2: Convert to fraction form
    193,206.40/259,999.20 = 193,206.40/x
  3. Step 3: Cross multiply
    193,206.40x = 259,999.20 × 193,206.40
  4. Step 4: Simplify right side
    193,206.40x = 50,233,509,434.88
  5. Step 5: Solve for x
    x = 50,233,509,434.88/193,206.40
  6. Step 6: Final answer
    x = 259,999.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.