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Finding the Fourth Proportional to 306,561.66, 459,861.90 and 96,207.90

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Solution

The fourth proportional to 306,561.66, 459,861.90 and 96,207.90 is: 144,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,561.66 : 459,861.90 = 96,207.90 : x
  2. Step 2: Convert to fraction form
    306,561.66/459,861.90 = 96,207.90/x
  3. Step 3: Cross multiply
    306,561.66x = 459,861.90 × 96,207.90
  4. Step 4: Simplify right side
    306,561.66x = 44,242,347,689.01
  5. Step 5: Solve for x
    x = 44,242,347,689.01/306,561.66
  6. Step 6: Final answer
    x = 144,317.94

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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.