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Finding the Fourth Proportional to 172,745.84, 236,835.42 and 169,597.04

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Solution

The fourth proportional to 172,745.84, 236,835.42 and 169,597.04 is: 232,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,745.84 : 236,835.42 = 169,597.04 : x
  2. Step 2: Convert to fraction form
    172,745.84/236,835.42 = 169,597.04/x
  3. Step 3: Cross multiply
    172,745.84x = 236,835.42 × 169,597.04
  4. Step 4: Simplify right side
    172,745.84x = 40,166,586,199.16
  5. Step 5: Solve for x
    x = 40,166,586,199.16/172,745.84
  6. Step 6: Final answer
    x = 232,518.40

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.