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Finding the Fourth Proportional to 176,388.86, 243,412.53 and 95,814.59

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Solution

The fourth proportional to 176,388.86, 243,412.53 and 95,814.59 is: 132,221.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,388.86 : 243,412.53 = 95,814.59 : x
  2. Step 2: Convert to fraction form
    176,388.86/243,412.53 = 95,814.59/x
  3. Step 3: Cross multiply
    176,388.86x = 243,412.53 × 95,814.59
  4. Step 4: Simplify right side
    176,388.86x = 23,322,470,545.75
  5. Step 5: Solve for x
    x = 23,322,470,545.75/176,388.86
  6. Step 6: Final answer
    x = 132,221.91

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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.