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Finding the Fourth Proportional to 73,394.80, 110,092.20 and 72,703.60

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Solution

The fourth proportional to 73,394.80, 110,092.20 and 72,703.60 is: 109,055.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,394.80 : 110,092.20 = 72,703.60 : x
  2. Step 2: Convert to fraction form
    73,394.80/110,092.20 = 72,703.60/x
  3. Step 3: Cross multiply
    73,394.80x = 110,092.20 × 72,703.60
  4. Step 4: Simplify right side
    73,394.80x = 8,004,099,271.92
  5. Step 5: Solve for x
    x = 8,004,099,271.92/73,394.80
  6. Step 6: Final answer
    x = 109,055.40

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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.