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Finding the Fourth Proportional to 80,873.64, 111,605.88 and 46,888.80

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Solution

The fourth proportional to 80,873.64, 111,605.88 and 46,888.80 is: 64,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,873.64 : 111,605.88 = 46,888.80 : x
  2. Step 2: Convert to fraction form
    80,873.64/111,605.88 = 46,888.80/x
  3. Step 3: Cross multiply
    80,873.64x = 111,605.88 × 46,888.80
  4. Step 4: Simplify right side
    80,873.64x = 5,233,065,786.14
  5. Step 5: Solve for x
    x = 5,233,065,786.14/80,873.64
  6. Step 6: Final answer
    x = 64,706.69

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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.