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Finding the Fourth Proportional to 320,063.37, 480,119.56 and 95,406.63

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Solution

The fourth proportional to 320,063.37, 480,119.56 and 95,406.63 is: 143,117.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,063.37 : 480,119.56 = 95,406.63 : x
  2. Step 2: Convert to fraction form
    320,063.37/480,119.56 = 95,406.63/x
  3. Step 3: Cross multiply
    320,063.37x = 480,119.56 × 95,406.63
  4. Step 4: Simplify right side
    320,063.37x = 45,806,588,978.17
  5. Step 5: Solve for x
    x = 45,806,588,978.17/320,063.37
  6. Step 6: Final answer
    x = 143,117.25

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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.