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Finding the Fourth Proportional to 144,762.66, 217,102.35 and 49,968.21

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Solution

The fourth proportional to 144,762.66, 217,102.35 and 49,968.21 is: 74,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,762.66 : 217,102.35 = 49,968.21 : x
  2. Step 2: Convert to fraction form
    144,762.66/217,102.35 = 49,968.21/x
  3. Step 3: Cross multiply
    144,762.66x = 217,102.35 × 49,968.21
  4. Step 4: Simplify right side
    144,762.66x = 10,848,215,816.29
  5. Step 5: Solve for x
    x = 10,848,215,816.29/144,762.66
  6. Step 6: Final answer
    x = 74,937.94

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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.