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Finding the Fourth Proportional to 117,644.44, 176,468.46 and 64,939.36

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Solution

The fourth proportional to 117,644.44, 176,468.46 and 64,939.36 is: 97,410.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,644.44 : 176,468.46 = 64,939.36 : x
  2. Step 2: Convert to fraction form
    117,644.44/176,468.46 = 64,939.36/x
  3. Step 3: Cross multiply
    117,644.44x = 176,468.46 × 64,939.36
  4. Step 4: Simplify right side
    117,644.44x = 11,459,748,852.59
  5. Step 5: Solve for x
    x = 11,459,748,852.59/117,644.44
  6. Step 6: Final answer
    x = 97,410.03

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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.