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Finding the Fourth Proportional to 172,495.55, 238,021.33 and 96,017.87

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Solution

The fourth proportional to 172,495.55, 238,021.33 and 96,017.87 is: 132,492.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,495.55 : 238,021.33 = 96,017.87 : x
  2. Step 2: Convert to fraction form
    172,495.55/238,021.33 = 96,017.87/x
  3. Step 3: Cross multiply
    172,495.55x = 238,021.33 × 96,017.87
  4. Step 4: Simplify right side
    172,495.55x = 22,854,301,793.37
  5. Step 5: Solve for x
    x = 22,854,301,793.37/172,495.55
  6. Step 6: Final answer
    x = 132,492.12

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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.