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Finding the Fourth Proportional to 170,999.85, 239,793.45 and 170,999.85

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Solution

The fourth proportional to 170,999.85, 239,793.45 and 170,999.85 is: 239,793.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,999.85 : 239,793.45 = 170,999.85 : x
  2. Step 2: Convert to fraction form
    170,999.85/239,793.45 = 170,999.85/x
  3. Step 3: Cross multiply
    170,999.85x = 239,793.45 × 170,999.85
  4. Step 4: Simplify right side
    170,999.85x = 41,004,643,980.98
  5. Step 5: Solve for x
    x = 41,004,643,980.98/170,999.85
  6. Step 6: Final answer
    x = 239,793.45

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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.