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Finding the Fourth Proportional to 306,332.54, 459,499.01 and 95,986.88

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Solution

The fourth proportional to 306,332.54, 459,499.01 and 95,986.88 is: 143,980.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,332.54 : 459,499.01 = 95,986.88 : x
  2. Step 2: Convert to fraction form
    306,332.54/459,499.01 = 95,986.88/x
  3. Step 3: Cross multiply
    306,332.54x = 459,499.01 × 95,986.88
  4. Step 4: Simplify right side
    306,332.54x = 44,105,873,555.56
  5. Step 5: Solve for x
    x = 44,105,873,555.56/306,332.54
  6. Step 6: Final answer
    x = 143,980.38

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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.