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Finding the Fourth Proportional to 104,506.75, 144,246.16 and 63,698.55

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Solution

The fourth proportional to 104,506.75, 144,246.16 and 63,698.55 is: 87,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,506.75 : 144,246.16 = 63,698.55 : x
  2. Step 2: Convert to fraction form
    104,506.75/144,246.16 = 63,698.55/x
  3. Step 3: Cross multiply
    104,506.75x = 144,246.16 × 63,698.55
  4. Step 4: Simplify right side
    104,506.75x = 9,188,271,235.07
  5. Step 5: Solve for x
    x = 9,188,271,235.07/104,506.75
  6. Step 6: Final answer
    x = 87,920.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.