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Finding the Fourth Proportional to 157,179.46, 235,583.53 and 67,195.86

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Solution

The fourth proportional to 157,179.46, 235,583.53 and 67,195.86 is: 100,714.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,179.46 : 235,583.53 = 67,195.86 : x
  2. Step 2: Convert to fraction form
    157,179.46/235,583.53 = 67,195.86/x
  3. Step 3: Cross multiply
    157,179.46x = 235,583.53 × 67,195.86
  4. Step 4: Simplify right side
    157,179.46x = 15,830,237,900.19
  5. Step 5: Solve for x
    x = 15,830,237,900.19/157,179.46
  6. Step 6: Final answer
    x = 100,714.42

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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.