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Finding the Fourth Proportional to 172,984.32, 259,250.40 and 88,673.04

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Solution

The fourth proportional to 172,984.32, 259,250.40 and 88,673.04 is: 132,893.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,984.32 : 259,250.40 = 88,673.04 : x
  2. Step 2: Convert to fraction form
    172,984.32/259,250.40 = 88,673.04/x
  3. Step 3: Cross multiply
    172,984.32x = 259,250.40 × 88,673.04
  4. Step 4: Simplify right side
    172,984.32x = 22,988,521,089.22
  5. Step 5: Solve for x
    x = 22,988,521,089.22/172,984.32
  6. Step 6: Final answer
    x = 132,893.67

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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.