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Finding the Fourth Proportional to 80,803.95, 111,479.16 and 46,800.03

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Solution

The fourth proportional to 80,803.95, 111,479.16 and 46,800.03 is: 64,566.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,803.95 : 111,479.16 = 46,800.03 : x
  2. Step 2: Convert to fraction form
    80,803.95/111,479.16 = 46,800.03/x
  3. Step 3: Cross multiply
    80,803.95x = 111,479.16 × 46,800.03
  4. Step 4: Simplify right side
    80,803.95x = 5,217,228,032.37
  5. Step 5: Solve for x
    x = 5,217,228,032.37/80,803.95
  6. Step 6: Final answer
    x = 64,566.50

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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.