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Finding the Fourth Proportional to 170,705.45, 255,566.10 and 170,705.45

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Solution

The fourth proportional to 170,705.45, 255,566.10 and 170,705.45 is: 255,566.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,705.45 : 255,566.10 = 170,705.45 : x
  2. Step 2: Convert to fraction form
    170,705.45/255,566.10 = 170,705.45/x
  3. Step 3: Cross multiply
    170,705.45x = 255,566.10 × 170,705.45
  4. Step 4: Simplify right side
    170,705.45x = 43,626,526,105.25
  5. Step 5: Solve for x
    x = 43,626,526,105.25/170,705.45
  6. Step 6: Final answer
    x = 255,566.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.