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Finding the Fourth Proportional to 295,914.30, 443,871.45 and 108,998.70

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Solution

The fourth proportional to 295,914.30, 443,871.45 and 108,998.70 is: 163,498.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,914.30 : 443,871.45 = 108,998.70 : x
  2. Step 2: Convert to fraction form
    295,914.30/443,871.45 = 108,998.70/x
  3. Step 3: Cross multiply
    295,914.30x = 443,871.45 × 108,998.70
  4. Step 4: Simplify right side
    295,914.30x = 48,381,411,017.12
  5. Step 5: Solve for x
    x = 48,381,411,017.12/295,914.30
  6. Step 6: Final answer
    x = 163,498.05

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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.