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Finding the Fourth Proportional to 295,991.45, 443,991.27 and 96,312.88

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Solution

The fourth proportional to 295,991.45, 443,991.27 and 96,312.88 is: 144,470.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,991.45 : 443,991.27 = 96,312.88 : x
  2. Step 2: Convert to fraction form
    295,991.45/443,991.27 = 96,312.88/x
  3. Step 3: Cross multiply
    295,991.45x = 443,991.27 × 96,312.88
  4. Step 4: Simplify right side
    295,991.45x = 42,762,078,824.72
  5. Step 5: Solve for x
    x = 42,762,078,824.72/295,991.45
  6. Step 6: Final answer
    x = 144,470.66

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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.