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Finding the Fourth Proportional to 116,957.62, 161,401.23 and 63,242.47

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Solution

The fourth proportional to 116,957.62, 161,401.23 and 63,242.47 is: 87,274.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,957.62 : 161,401.23 = 63,242.47 : x
  2. Step 2: Convert to fraction form
    116,957.62/161,401.23 = 63,242.47/x
  3. Step 3: Cross multiply
    116,957.62x = 161,401.23 × 63,242.47
  4. Step 4: Simplify right side
    116,957.62x = 10,207,412,446.24
  5. Step 5: Solve for x
    x = 10,207,412,446.24/116,957.62
  6. Step 6: Final answer
    x = 87,274.45

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1.5x scale

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.