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Finding the Fourth Proportional to 173,056.64, 259,531.36 and 73,215.04

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Solution

The fourth proportional to 173,056.64, 259,531.36 and 73,215.04 is: 109,799.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,056.64 : 259,531.36 = 73,215.04 : x
  2. Step 2: Convert to fraction form
    173,056.64/259,531.36 = 73,215.04/x
  3. Step 3: Cross multiply
    173,056.64x = 259,531.36 × 73,215.04
  4. Step 4: Simplify right side
    173,056.64x = 19,001,598,903.65
  5. Step 5: Solve for x
    x = 19,001,598,903.65/173,056.64
  6. Step 6: Final answer
    x = 109,799.88

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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.