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Finding the Fourth Proportional to 112,636.62, 168,928.32 and 41,520.63

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Solution

The fourth proportional to 112,636.62, 168,928.32 and 41,520.63 is: 62,271.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,636.62 : 168,928.32 = 41,520.63 : x
  2. Step 2: Convert to fraction form
    112,636.62/168,928.32 = 41,520.63/x
  3. Step 3: Cross multiply
    112,636.62x = 168,928.32 × 41,520.63
  4. Step 4: Simplify right side
    112,636.62x = 7,014,010,271.24
  5. Step 5: Solve for x
    x = 7,014,010,271.24/112,636.62
  6. Step 6: Final answer
    x = 62,271.14

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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.