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Finding the Fourth Proportional to 306,518.94, 459,777.96 and 96,173.28

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Solution

The fourth proportional to 306,518.94, 459,777.96 and 96,173.28 is: 144,259.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,518.94 : 459,777.96 = 96,173.28 : x
  2. Step 2: Convert to fraction form
    306,518.94/459,777.96 = 96,173.28/x
  3. Step 3: Cross multiply
    306,518.94x = 459,777.96 × 96,173.28
  4. Step 4: Simplify right side
    306,518.94x = 44,218,354,484.91
  5. Step 5: Solve for x
    x = 44,218,354,484.91/306,518.94
  6. Step 6: Final answer
    x = 144,259.78

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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.