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Finding the Fourth Proportional to 176,205.86, 243,168.52 and 95,636.78

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Solution

The fourth proportional to 176,205.86, 243,168.52 and 95,636.78 is: 131,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,205.86 : 243,168.52 = 95,636.78 : x
  2. Step 2: Convert to fraction form
    176,205.86/243,168.52 = 95,636.78/x
  3. Step 3: Cross multiply
    176,205.86x = 243,168.52 × 95,636.78
  4. Step 4: Simplify right side
    176,205.86x = 23,255,854,250.17
  5. Step 5: Solve for x
    x = 23,255,854,250.17/176,205.86
  6. Step 6: Final answer
    x = 131,981.16

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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.