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Finding the Fourth Proportional to 117,556.74, 176,970.66 and 107,094

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Solution

The fourth proportional to 117,556.74, 176,970.66 and 107,094 is: 161,219.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,556.74 : 176,970.66 = 107,094 : x
  2. Step 2: Convert to fraction form
    117,556.74/176,970.66 = 107,094/x
  3. Step 3: Cross multiply
    117,556.74x = 176,970.66 × 107,094
  4. Step 4: Simplify right side
    117,556.74x = 18,952,495,862.04
  5. Step 5: Solve for x
    x = 18,952,495,862.04/117,556.74
  6. Step 6: Final answer
    x = 161,219.99

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.