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Finding the Fourth Proportional to 114,225.17, 171,356.12 and 39,326.90

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Solution

The fourth proportional to 114,225.17, 171,356.12 and 39,326.90 is: 58,996.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,225.17 : 171,356.12 = 39,326.90 : x
  2. Step 2: Convert to fraction form
    114,225.17/171,356.12 = 39,326.90/x
  3. Step 3: Cross multiply
    114,225.17x = 171,356.12 × 39,326.90
  4. Step 4: Simplify right side
    114,225.17x = 6,738,904,798.99
  5. Step 5: Solve for x
    x = 6,738,904,798.99/114,225.17
  6. Step 6: Final answer
    x = 58,996.67

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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.