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Finding the Fourth Proportional to 80,646.75, 111,287.25 and 44,835.48

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Solution

The fourth proportional to 80,646.75, 111,287.25 and 44,835.48 is: 61,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,646.75 : 111,287.25 = 44,835.48 : x
  2. Step 2: Convert to fraction form
    80,646.75/111,287.25 = 44,835.48/x
  3. Step 3: Cross multiply
    80,646.75x = 111,287.25 × 44,835.48
  4. Step 4: Simplify right side
    80,646.75x = 4,989,617,271.63
  5. Step 5: Solve for x
    x = 4,989,617,271.63/80,646.75
  6. Step 6: Final answer
    x = 61,870.04

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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.