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Finding the Fourth Proportional to 301,088.40, 451,609.44 and 111,459.72

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Solution

The fourth proportional to 301,088.40, 451,609.44 and 111,459.72 is: 167,181.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,088.40 : 451,609.44 = 111,459.72 : x
  2. Step 2: Convert to fraction form
    301,088.40/451,609.44 = 111,459.72/x
  3. Step 3: Cross multiply
    301,088.40x = 451,609.44 × 111,459.72
  4. Step 4: Simplify right side
    301,088.40x = 50,336,261,731.76
  5. Step 5: Solve for x
    x = 50,336,261,731.76/301,088.40
  6. Step 6: Final answer
    x = 167,181.01

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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.