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Finding the Fourth Proportional to 295,297.38, 442,898.69 and 105,722.55

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Solution

The fourth proportional to 295,297.38, 442,898.69 and 105,722.55 is: 158,566.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,297.38 : 442,898.69 = 105,722.55 : x
  2. Step 2: Convert to fraction form
    295,297.38/442,898.69 = 105,722.55/x
  3. Step 3: Cross multiply
    295,297.38x = 442,898.69 × 105,722.55
  4. Step 4: Simplify right side
    295,297.38x = 46,824,378,369.85
  5. Step 5: Solve for x
    x = 46,824,378,369.85/295,297.38
  6. Step 6: Final answer
    x = 158,566.86

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