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Finding the Fourth Proportional to 199,357.50, 275,113.35 and 109,933.50

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Solution

The fourth proportional to 199,357.50, 275,113.35 and 109,933.50 is: 151,708.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,357.50 : 275,113.35 = 109,933.50 : x
  2. Step 2: Convert to fraction form
    199,357.50/275,113.35 = 109,933.50/x
  3. Step 3: Cross multiply
    199,357.50x = 275,113.35 × 109,933.50
  4. Step 4: Simplify right side
    199,357.50x = 30,244,173,462.23
  5. Step 5: Solve for x
    x = 30,244,173,462.23/199,357.50
  6. Step 6: Final answer
    x = 151,708.23

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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.