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Finding the Fourth Proportional to 73,712.48, 110,611.54 and 31,014.76

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Solution

The fourth proportional to 73,712.48, 110,611.54 and 31,014.76 is: 46,540.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,712.48 : 110,611.54 = 31,014.76 : x
  2. Step 2: Convert to fraction form
    73,712.48/110,611.54 = 31,014.76/x
  3. Step 3: Cross multiply
    73,712.48x = 110,611.54 × 31,014.76
  4. Step 4: Simplify right side
    73,712.48x = 3,430,590,012.26
  5. Step 5: Solve for x
    x = 3,430,590,012.26/73,712.48
  6. Step 6: Final answer
    x = 46,540.16

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1.5x scale

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.