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Finding the Fourth Proportional to 131,892.48, 197,850.96 and 47,673.72

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Solution

The fourth proportional to 131,892.48, 197,850.96 and 47,673.72 is: 71,515.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,892.48 : 197,850.96 = 47,673.72 : x
  2. Step 2: Convert to fraction form
    131,892.48/197,850.96 = 47,673.72/x
  3. Step 3: Cross multiply
    131,892.48x = 197,850.96 × 47,673.72
  4. Step 4: Simplify right side
    131,892.48x = 9,432,291,268.77
  5. Step 5: Solve for x
    x = 9,432,291,268.77/131,892.48
  6. Step 6: Final answer
    x = 71,515.00

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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.