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Finding the Fourth Proportional to 80,437.98, 111,017.73 and 44,639.49

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Solution

The fourth proportional to 80,437.98, 111,017.73 and 44,639.49 is: 61,609.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,437.98 : 111,017.73 = 44,639.49 : x
  2. Step 2: Convert to fraction form
    80,437.98/111,017.73 = 44,639.49/x
  3. Step 3: Cross multiply
    80,437.98x = 111,017.73 × 44,639.49
  4. Step 4: Simplify right side
    80,437.98x = 4,955,774,293.07
  5. Step 5: Solve for x
    x = 4,955,774,293.07/80,437.98
  6. Step 6: Final answer
    x = 61,609.88

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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.