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Finding the Fourth Proportional to 144,605.96, 199,554.24 and 80,943.76

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Solution

The fourth proportional to 144,605.96, 199,554.24 and 80,943.76 is: 111,701.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,605.96 : 199,554.24 = 80,943.76 : x
  2. Step 2: Convert to fraction form
    144,605.96/199,554.24 = 80,943.76/x
  3. Step 3: Cross multiply
    144,605.96x = 199,554.24 × 80,943.76
  4. Step 4: Simplify right side
    144,605.96x = 16,152,670,509.54
  5. Step 5: Solve for x
    x = 16,152,670,509.54/144,605.96
  6. Step 6: Final answer
    x = 111,701.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.