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Finding the Fourth Proportional to 183,906.92, 253,815 and 112,271.60

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Solution

The fourth proportional to 183,906.92, 253,815 and 112,271.60 is: 154,949.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,906.92 : 253,815 = 112,271.60 : x
  2. Step 2: Convert to fraction form
    183,906.92/253,815 = 112,271.60/x
  3. Step 3: Cross multiply
    183,906.92x = 253,815 × 112,271.60
  4. Step 4: Simplify right side
    183,906.92x = 28,496,216,154
  5. Step 5: Solve for x
    x = 28,496,216,154/183,906.92
  6. Step 6: Final answer
    x = 154,949.12

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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.