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Finding the Fourth Proportional to 116,957.70, 161,401.51 and 63,242.59

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Solution

The fourth proportional to 116,957.70, 161,401.51 and 63,242.59 is: 87,274.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,957.70 : 161,401.51 = 63,242.59 : x
  2. Step 2: Convert to fraction form
    116,957.70/161,401.51 = 63,242.59/x
  3. Step 3: Cross multiply
    116,957.70x = 161,401.51 × 63,242.59
  4. Step 4: Simplify right side
    116,957.70x = 10,207,448,960.70
  5. Step 5: Solve for x
    x = 10,207,448,960.70/116,957.70
  6. Step 6: Final answer
    x = 87,274.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.