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Finding the Fourth Proportional to 80,453.54, 111,020.54 and 44,641.28

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Solution

The fourth proportional to 80,453.54, 111,020.54 and 44,641.28 is: 61,602.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,453.54 : 111,020.54 = 44,641.28 : x
  2. Step 2: Convert to fraction form
    80,453.54/111,020.54 = 44,641.28/x
  3. Step 3: Cross multiply
    80,453.54x = 111,020.54 × 44,641.28
  4. Step 4: Simplify right side
    80,453.54x = 4,956,099,011.89
  5. Step 5: Solve for x
    x = 4,956,099,011.89/80,453.54
  6. Step 6: Final answer
    x = 61,602.00

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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.