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Finding the Fourth Proportional to 181,652.50, 272,522.50 and 56,993.50

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Solution

The fourth proportional to 181,652.50, 272,522.50 and 56,993.50 is: 85,503.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,652.50 : 272,522.50 = 56,993.50 : x
  2. Step 2: Convert to fraction form
    181,652.50/272,522.50 = 56,993.50/x
  3. Step 3: Cross multiply
    181,652.50x = 272,522.50 × 56,993.50
  4. Step 4: Simplify right side
    181,652.50x = 15,532,011,103.75
  5. Step 5: Solve for x
    x = 15,532,011,103.75/181,652.50
  6. Step 6: Final answer
    x = 85,503.98

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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.