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Finding the Fourth Proportional to 104,012.08, 155,919.72 and 64,055.64

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Solution

The fourth proportional to 104,012.08, 155,919.72 and 64,055.64 is: 96,022.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,012.08 : 155,919.72 = 64,055.64 : x
  2. Step 2: Convert to fraction form
    104,012.08/155,919.72 = 64,055.64/x
  3. Step 3: Cross multiply
    104,012.08x = 155,919.72 × 64,055.64
  4. Step 4: Simplify right side
    104,012.08x = 9,987,537,453.22
  5. Step 5: Solve for x
    x = 9,987,537,453.22/104,012.08
  6. Step 6: Final answer
    x = 96,022.86

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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.