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Finding the Fourth Proportional to 295,436.22, 443,155.05 and 117,957.66

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Solution

The fourth proportional to 295,436.22, 443,155.05 and 117,957.66 is: 176,936.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,436.22 : 443,155.05 = 117,957.66 : x
  2. Step 2: Convert to fraction form
    295,436.22/443,155.05 = 117,957.66/x
  3. Step 3: Cross multiply
    295,436.22x = 443,155.05 × 117,957.66
  4. Step 4: Simplify right side
    295,436.22x = 52,273,532,715.18
  5. Step 5: Solve for x
    x = 52,273,532,715.18/295,436.22
  6. Step 6: Final answer
    x = 176,936.78

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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.