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Finding the Fourth Proportional to 295,913.80, 443,870.70 and 108,998.20

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Solution

The fourth proportional to 295,913.80, 443,870.70 and 108,998.20 is: 163,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,913.80 : 443,870.70 = 108,998.20 : x
  2. Step 2: Convert to fraction form
    295,913.80/443,870.70 = 108,998.20/x
  3. Step 3: Cross multiply
    295,913.80x = 443,870.70 × 108,998.20
  4. Step 4: Simplify right side
    295,913.80x = 48,381,107,332.74
  5. Step 5: Solve for x
    x = 48,381,107,332.74/295,913.80
  6. Step 6: Final answer
    x = 163,497.30

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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.