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Finding the Fourth Proportional to 295,801.20, 443,898.34 and 108,812.70

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Solution

The fourth proportional to 295,801.20, 443,898.34 and 108,812.70 is: 163,291.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,801.20 : 443,898.34 = 108,812.70 : x
  2. Step 2: Convert to fraction form
    295,801.20/443,898.34 = 108,812.70/x
  3. Step 3: Cross multiply
    295,801.20x = 443,898.34 × 108,812.70
  4. Step 4: Simplify right side
    295,801.20x = 48,301,776,628.89
  5. Step 5: Solve for x
    x = 48,301,776,628.89/295,801.20
  6. Step 6: Final answer
    x = 163,291.35

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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.