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Finding the Fourth Proportional to 86,242.44, 129,354.57 and 23,068.94

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Solution

The fourth proportional to 86,242.44, 129,354.57 and 23,068.94 is: 34,600.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,242.44 : 129,354.57 = 23,068.94 : x
  2. Step 2: Convert to fraction form
    86,242.44/129,354.57 = 23,068.94/x
  3. Step 3: Cross multiply
    86,242.44x = 129,354.57 × 23,068.94
  4. Step 4: Simplify right side
    86,242.44x = 2,984,072,844.65
  5. Step 5: Solve for x
    x = 2,984,072,844.65/86,242.44
  6. Step 6: Final answer
    x = 34,600.98

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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.