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Finding the Fourth Proportional to 80,585.90, 111,210.28 and 44,287.84

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Solution

The fourth proportional to 80,585.90, 111,210.28 and 44,287.84 is: 61,118.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,585.90 : 111,210.28 = 44,287.84 : x
  2. Step 2: Convert to fraction form
    80,585.90/111,210.28 = 44,287.84/x
  3. Step 3: Cross multiply
    80,585.90x = 111,210.28 × 44,287.84
  4. Step 4: Simplify right side
    80,585.90x = 4,925,263,087.00
  5. Step 5: Solve for x
    x = 4,925,263,087.00/80,585.90
  6. Step 6: Final answer
    x = 61,118.17

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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.