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Finding the Fourth Proportional to 295,601.30, 443,315.55 and 106,039.70

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Solution

The fourth proportional to 295,601.30, 443,315.55 and 106,039.70 is: 159,028.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,601.30 : 443,315.55 = 106,039.70 : x
  2. Step 2: Convert to fraction form
    295,601.30/443,315.55 = 106,039.70/x
  3. Step 3: Cross multiply
    295,601.30x = 443,315.55 × 106,039.70
  4. Step 4: Simplify right side
    295,601.30x = 47,009,047,927.34
  5. Step 5: Solve for x
    x = 47,009,047,927.34/295,601.30
  6. Step 6: Final answer
    x = 159,028.56

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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.