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Finding the Fourth Proportional to 295,669.76, 443,679.60 and 108,812.48

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Solution

The fourth proportional to 295,669.76, 443,679.60 and 108,812.48 is: 163,283.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,669.76 : 443,679.60 = 108,812.48 : x
  2. Step 2: Convert to fraction form
    295,669.76/443,679.60 = 108,812.48/x
  3. Step 3: Cross multiply
    295,669.76x = 443,679.60 × 108,812.48
  4. Step 4: Simplify right side
    295,669.76x = 48,277,877,601.41
  5. Step 5: Solve for x
    x = 48,277,877,601.41/295,669.76
  6. Step 6: Final answer
    x = 163,283.11

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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.