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Finding the Fourth Proportional to 171,206.40, 239,222.40 and 171,206.40

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Solution

The fourth proportional to 171,206.40, 239,222.40 and 171,206.40 is: 239,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,206.40 : 239,222.40 = 171,206.40 : x
  2. Step 2: Convert to fraction form
    171,206.40/239,222.40 = 171,206.40/x
  3. Step 3: Cross multiply
    171,206.40x = 239,222.40 × 171,206.40
  4. Step 4: Simplify right side
    171,206.40x = 40,956,405,903.36
  5. Step 5: Solve for x
    x = 40,956,405,903.36/171,206.40
  6. Step 6: Final answer
    x = 239,222.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.