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Finding the Fourth Proportional to 157,104.86, 235,621.76 and 44,782.68

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Solution

The fourth proportional to 157,104.86, 235,621.76 and 44,782.68 is: 67,163.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,104.86 : 235,621.76 = 44,782.68 : x
  2. Step 2: Convert to fraction form
    157,104.86/235,621.76 = 44,782.68/x
  3. Step 3: Cross multiply
    157,104.86x = 235,621.76 × 44,782.68
  4. Step 4: Simplify right side
    157,104.86x = 10,551,773,879.12
  5. Step 5: Solve for x
    x = 10,551,773,879.12/157,104.86
  6. Step 6: Final answer
    x = 67,163.89

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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.