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Finding the Fourth Proportional to 117,969.44, 162,798.80 and 64,254.64

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Solution

The fourth proportional to 117,969.44, 162,798.80 and 64,254.64 is: 88,671.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,969.44 : 162,798.80 = 64,254.64 : x
  2. Step 2: Convert to fraction form
    117,969.44/162,798.80 = 64,254.64/x
  3. Step 3: Cross multiply
    117,969.44x = 162,798.80 × 64,254.64
  4. Step 4: Simplify right side
    117,969.44x = 10,460,578,286.43
  5. Step 5: Solve for x
    x = 10,460,578,286.43/117,969.44
  6. Step 6: Final answer
    x = 88,671.93

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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.