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Finding the Fourth Proportional to 73,513.65, 110,271.32 and 69,928.33

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Solution

The fourth proportional to 73,513.65, 110,271.32 and 69,928.33 is: 104,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,513.65 : 110,271.32 = 69,928.33 : x
  2. Step 2: Convert to fraction form
    73,513.65/110,271.32 = 69,928.33/x
  3. Step 3: Cross multiply
    73,513.65x = 110,271.32 × 69,928.33
  4. Step 4: Simplify right side
    73,513.65x = 7,711,089,153.64
  5. Step 5: Solve for x
    x = 7,711,089,153.64/73,513.65
  6. Step 6: Final answer
    x = 104,893.30

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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.