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Finding the Fourth Proportional to 112,425.92, 168,623.48 and 37,544.48

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Solution

The fourth proportional to 112,425.92, 168,623.48 and 37,544.48 is: 56,311.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,425.92 : 168,623.48 = 37,544.48 : x
  2. Step 2: Convert to fraction form
    112,425.92/168,623.48 = 37,544.48/x
  3. Step 3: Cross multiply
    112,425.92x = 168,623.48 × 37,544.48
  4. Step 4: Simplify right side
    112,425.92x = 6,330,880,872.39
  5. Step 5: Solve for x
    x = 6,330,880,872.39/112,425.92
  6. Step 6: Final answer
    x = 56,311.58

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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.