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Finding the Fourth Proportional to 162,835.60, 244,447.80 and 91,814.80

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Solution

The fourth proportional to 162,835.60, 244,447.80 and 91,814.80 is: 137,831.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,835.60 : 244,447.80 = 91,814.80 : x
  2. Step 2: Convert to fraction form
    162,835.60/244,447.80 = 91,814.80/x
  3. Step 3: Cross multiply
    162,835.60x = 244,447.80 × 91,814.80
  4. Step 4: Simplify right side
    162,835.60x = 22,443,925,867.44
  5. Step 5: Solve for x
    x = 22,443,925,867.44/162,835.60
  6. Step 6: Final answer
    x = 137,831.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.