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Finding the Fourth Proportional to 114,063.63, 170,980.62 and 47,540.58

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Solution

The fourth proportional to 114,063.63, 170,980.62 and 47,540.58 is: 71,263.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,063.63 : 170,980.62 = 47,540.58 : x
  2. Step 2: Convert to fraction form
    114,063.63/170,980.62 = 47,540.58/x
  3. Step 3: Cross multiply
    114,063.63x = 170,980.62 × 47,540.58
  4. Step 4: Simplify right side
    114,063.63x = 8,128,517,843.56
  5. Step 5: Solve for x
    x = 8,128,517,843.56/114,063.63
  6. Step 6: Final answer
    x = 71,263.01

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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.