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Finding the Fourth Proportional to 73,556.80, 110,258.40 and 40,225.60

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Solution

The fourth proportional to 73,556.80, 110,258.40 and 40,225.60 is: 60,296.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,556.80 : 110,258.40 = 40,225.60 : x
  2. Step 2: Convert to fraction form
    73,556.80/110,258.40 = 40,225.60/x
  3. Step 3: Cross multiply
    73,556.80x = 110,258.40 × 40,225.60
  4. Step 4: Simplify right side
    73,556.80x = 4,435,210,295.04
  5. Step 5: Solve for x
    x = 4,435,210,295.04/73,556.80
  6. Step 6: Final answer
    x = 60,296.40

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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.