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Finding the Fourth Proportional to 144,604.58, 199,556.36 and 83,316.90

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Solution

The fourth proportional to 144,604.58, 199,556.36 and 83,316.90 is: 114,978.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,604.58 : 199,556.36 = 83,316.90 : x
  2. Step 2: Convert to fraction form
    144,604.58/199,556.36 = 83,316.90/x
  3. Step 3: Cross multiply
    144,604.58x = 199,556.36 × 83,316.90
  4. Step 4: Simplify right side
    144,604.58x = 16,626,415,876.12
  5. Step 5: Solve for x
    x = 16,626,415,876.12/144,604.58
  6. Step 6: Final answer
    x = 114,978.49

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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.