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Finding the Fourth Proportional to 80,659.95, 111,307.80 and 44,361.08

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Solution

The fourth proportional to 80,659.95, 111,307.80 and 44,361.08 is: 61,216.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,659.95 : 111,307.80 = 44,361.08 : x
  2. Step 2: Convert to fraction form
    80,659.95/111,307.80 = 44,361.08/x
  3. Step 3: Cross multiply
    80,659.95x = 111,307.80 × 44,361.08
  4. Step 4: Simplify right side
    80,659.95x = 4,937,734,220.42
  5. Step 5: Solve for x
    x = 4,937,734,220.42/80,659.95
  6. Step 6: Final answer
    x = 61,216.68

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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.