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Finding the Fourth Proportional to 220,185.93, 330,278.94 and 53,973.93

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Solution

The fourth proportional to 220,185.93, 330,278.94 and 53,973.93 is: 80,960.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,185.93 : 330,278.94 = 53,973.93 : x
  2. Step 2: Convert to fraction form
    220,185.93/330,278.94 = 53,973.93/x
  3. Step 3: Cross multiply
    220,185.93x = 330,278.94 × 53,973.93
  4. Step 4: Simplify right side
    220,185.93x = 17,826,452,388.03
  5. Step 5: Solve for x
    x = 17,826,452,388.03/220,185.93
  6. Step 6: Final answer
    x = 80,960.91

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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.