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Finding the Fourth Proportional to 112,526.80, 168,768.60 and 33,643.60

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Solution

The fourth proportional to 112,526.80, 168,768.60 and 33,643.60 is: 50,458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,526.80 : 168,768.60 = 33,643.60 : x
  2. Step 2: Convert to fraction form
    112,526.80/168,768.60 = 33,643.60/x
  3. Step 3: Cross multiply
    112,526.80x = 168,768.60 × 33,643.60
  4. Step 4: Simplify right side
    112,526.80x = 5,677,983,270.96
  5. Step 5: Solve for x
    x = 5,677,983,270.96/112,526.80
  6. Step 6: Final answer
    x = 50,458.94

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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.