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Finding the Fourth Proportional to 295,535.53, 443,100.78 and 105,991.84

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Solution

The fourth proportional to 295,535.53, 443,100.78 and 105,991.84 is: 158,915.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,535.53 : 443,100.78 = 105,991.84 : x
  2. Step 2: Convert to fraction form
    295,535.53/443,100.78 = 105,991.84/x
  3. Step 3: Cross multiply
    295,535.53x = 443,100.78 × 105,991.84
  4. Step 4: Simplify right side
    295,535.53x = 46,965,066,977.64
  5. Step 5: Solve for x
    x = 46,965,066,977.64/295,535.53
  6. Step 6: Final answer
    x = 158,915.13

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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.