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Finding the Fourth Proportional to 174,889.78, 262,305.32 and 48,542.86

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Solution

The fourth proportional to 174,889.78, 262,305.32 and 48,542.86 is: 72,806.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,889.78 : 262,305.32 = 48,542.86 : x
  2. Step 2: Convert to fraction form
    174,889.78/262,305.32 = 48,542.86/x
  3. Step 3: Cross multiply
    174,889.78x = 262,305.32 × 48,542.86
  4. Step 4: Simplify right side
    174,889.78x = 12,733,050,426.02
  5. Step 5: Solve for x
    x = 12,733,050,426.02/174,889.78
  6. Step 6: Final answer
    x = 72,806.14

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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.