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Finding the Fourth Proportional to 98,843.04, 148,289.04 and 28,722.96

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Solution

The fourth proportional to 98,843.04, 148,289.04 and 28,722.96 is: 43,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,843.04 : 148,289.04 = 28,722.96 : x
  2. Step 2: Convert to fraction form
    98,843.04/148,289.04 = 28,722.96/x
  3. Step 3: Cross multiply
    98,843.04x = 148,289.04 × 28,722.96
  4. Step 4: Simplify right side
    98,843.04x = 4,259,300,164.36
  5. Step 5: Solve for x
    x = 4,259,300,164.36/98,843.04
  6. Step 6: Final answer
    x = 43,091.55

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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.