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Finding the Fourth Proportional to 283,051.55, 424,563.42 and 105,544.67

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Solution

The fourth proportional to 283,051.55, 424,563.42 and 105,544.67 is: 158,311.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,051.55 : 424,563.42 = 105,544.67 : x
  2. Step 2: Convert to fraction form
    283,051.55/424,563.42 = 105,544.67/x
  3. Step 3: Cross multiply
    283,051.55x = 424,563.42 × 105,544.67
  4. Step 4: Simplify right side
    283,051.55x = 44,810,406,057.97
  5. Step 5: Solve for x
    x = 44,810,406,057.97/283,051.55
  6. Step 6: Final answer
    x = 158,311.82

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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.