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Finding the Fourth Proportional to 172,849.86, 238,522.86 and 96,366.42

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Solution

The fourth proportional to 172,849.86, 238,522.86 and 96,366.42 is: 132,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,849.86 : 238,522.86 = 96,366.42 : x
  2. Step 2: Convert to fraction form
    172,849.86/238,522.86 = 96,366.42/x
  3. Step 3: Cross multiply
    172,849.86x = 238,522.86 × 96,366.42
  4. Step 4: Simplify right side
    172,849.86x = 22,985,594,106.36
  5. Step 5: Solve for x
    x = 22,985,594,106.36/172,849.86
  6. Step 6: Final answer
    x = 132,980.11

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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.