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Finding the Fourth Proportional to 301,173.48, 451,847.70 and 143,534.52

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Solution

The fourth proportional to 301,173.48, 451,847.70 and 143,534.52 is: 215,343.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,173.48 : 451,847.70 = 143,534.52 : x
  2. Step 2: Convert to fraction form
    301,173.48/451,847.70 = 143,534.52/x
  3. Step 3: Cross multiply
    301,173.48x = 451,847.70 × 143,534.52
  4. Step 4: Simplify right side
    301,173.48x = 64,855,742,732.60
  5. Step 5: Solve for x
    x = 64,855,742,732.60/301,173.48
  6. Step 6: Final answer
    x = 215,343.47

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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.