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Finding the Fourth Proportional to 118,554.93, 163,609.03 and 64,843.12

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Solution

The fourth proportional to 118,554.93, 163,609.03 and 64,843.12 is: 89,485.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,554.93 : 163,609.03 = 64,843.12 : x
  2. Step 2: Convert to fraction form
    118,554.93/163,609.03 = 64,843.12/x
  3. Step 3: Cross multiply
    118,554.93x = 163,609.03 × 64,843.12
  4. Step 4: Simplify right side
    118,554.93x = 10,608,919,965.37
  5. Step 5: Solve for x
    x = 10,608,919,965.37/118,554.93
  6. Step 6: Final answer
    x = 89,485.27

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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.