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Finding the Fourth Proportional to 117,889.44, 162,768.90 and 110,360.70

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Solution

The fourth proportional to 117,889.44, 162,768.90 and 110,360.70 is: 152,374.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,889.44 : 162,768.90 = 110,360.70 : x
  2. Step 2: Convert to fraction form
    117,889.44/162,768.90 = 110,360.70/x
  3. Step 3: Cross multiply
    117,889.44x = 162,768.90 × 110,360.70
  4. Step 4: Simplify right side
    117,889.44x = 17,963,289,742.23
  5. Step 5: Solve for x
    x = 17,963,289,742.23/117,889.44
  6. Step 6: Final answer
    x = 152,374.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.