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Finding the Fourth Proportional to 85,172.76, 117,536.04 and 46,932.48

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Solution

The fourth proportional to 85,172.76, 117,536.04 and 46,932.48 is: 64,765.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,172.76 : 117,536.04 = 46,932.48 : x
  2. Step 2: Convert to fraction form
    85,172.76/117,536.04 = 46,932.48/x
  3. Step 3: Cross multiply
    85,172.76x = 117,536.04 × 46,932.48
  4. Step 4: Simplify right side
    85,172.76x = 5,516,257,846.58
  5. Step 5: Solve for x
    x = 5,516,257,846.58/85,172.76
  6. Step 6: Final answer
    x = 64,765.52

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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.