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Finding the Fourth Proportional to 73,406.32, 110,106.24 and 51,154

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Solution

The fourth proportional to 73,406.32, 110,106.24 and 51,154 is: 76,728.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,406.32 : 110,106.24 = 51,154 : x
  2. Step 2: Convert to fraction form
    73,406.32/110,106.24 = 51,154/x
  3. Step 3: Cross multiply
    73,406.32x = 110,106.24 × 51,154
  4. Step 4: Simplify right side
    73,406.32x = 5,632,374,600.96
  5. Step 5: Solve for x
    x = 5,632,374,600.96/73,406.32
  6. Step 6: Final answer
    x = 76,728.74

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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.