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Finding the Fourth Proportional to 101,803.50, 152,653.08 and 53,797.92

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Solution

The fourth proportional to 101,803.50, 152,653.08 and 53,797.92 is: 80,669.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,803.50 : 152,653.08 = 53,797.92 : x
  2. Step 2: Convert to fraction form
    101,803.50/152,653.08 = 53,797.92/x
  3. Step 3: Cross multiply
    101,803.50x = 152,653.08 × 53,797.92
  4. Step 4: Simplify right side
    101,803.50x = 8,212,418,185.59
  5. Step 5: Solve for x
    x = 8,212,418,185.59/101,803.50
  6. Step 6: Final answer
    x = 80,669.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.