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Finding the Fourth Proportional to 69,894.08, 104,334.44 and 64,690.88

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Solution

The fourth proportional to 69,894.08, 104,334.44 and 64,690.88 is: 96,567.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,894.08 : 104,334.44 = 64,690.88 : x
  2. Step 2: Convert to fraction form
    69,894.08/104,334.44 = 64,690.88/x
  3. Step 3: Cross multiply
    69,894.08x = 104,334.44 × 64,690.88
  4. Step 4: Simplify right side
    69,894.08x = 6,749,486,737.91
  5. Step 5: Solve for x
    x = 6,749,486,737.91/69,894.08
  6. Step 6: Final answer
    x = 96,567.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.