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Finding the Fourth Proportional to 117,419.60, 175,896.11 and 64,698.32

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Solution

The fourth proportional to 117,419.60, 175,896.11 and 64,698.32 is: 96,918.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,419.60 : 175,896.11 = 64,698.32 : x
  2. Step 2: Convert to fraction form
    117,419.60/175,896.11 = 64,698.32/x
  3. Step 3: Cross multiply
    117,419.60x = 175,896.11 × 64,698.32
  4. Step 4: Simplify right side
    117,419.60x = 11,380,182,093.80
  5. Step 5: Solve for x
    x = 11,380,182,093.80/117,419.60
  6. Step 6: Final answer
    x = 96,918.93

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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.