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Finding the Fourth Proportional to 151,689.89, 227,571.48 and 56,920.86

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Solution

The fourth proportional to 151,689.89, 227,571.48 and 56,920.86 is: 85,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,689.89 : 227,571.48 = 56,920.86 : x
  2. Step 2: Convert to fraction form
    151,689.89/227,571.48 = 56,920.86/x
  3. Step 3: Cross multiply
    151,689.89x = 227,571.48 × 56,920.86
  4. Step 4: Simplify right side
    151,689.89x = 12,953,564,353.07
  5. Step 5: Solve for x
    x = 12,953,564,353.07/151,689.89
  6. Step 6: Final answer
    x = 85,395.04

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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.