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Finding the Fourth Proportional to 183,142.31, 274,720.77 and 56,795.67

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Solution

The fourth proportional to 183,142.31, 274,720.77 and 56,795.67 is: 85,195.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,142.31 : 274,720.77 = 56,795.67 : x
  2. Step 2: Convert to fraction form
    183,142.31/274,720.77 = 56,795.67/x
  3. Step 3: Cross multiply
    183,142.31x = 274,720.77 × 56,795.67
  4. Step 4: Simplify right side
    183,142.31x = 15,602,950,195.07
  5. Step 5: Solve for x
    x = 15,602,950,195.07/183,142.31
  6. Step 6: Final answer
    x = 85,195.77

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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.