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Finding the Fourth Proportional to 288,171.56, 432,163.91 and 95,994.74

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Solution

The fourth proportional to 288,171.56, 432,163.91 and 95,994.74 is: 143,960.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,171.56 : 432,163.91 = 95,994.74 : x
  2. Step 2: Convert to fraction form
    288,171.56/432,163.91 = 95,994.74/x
  3. Step 3: Cross multiply
    288,171.56x = 432,163.91 × 95,994.74
  4. Step 4: Simplify right side
    288,171.56x = 41,485,459,537.04
  5. Step 5: Solve for x
    x = 41,485,459,537.04/288,171.56
  6. Step 6: Final answer
    x = 143,960.98

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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.