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Finding the Fourth Proportional to 302,197.88, 417,047.82 and 168,059

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Solution

The fourth proportional to 302,197.88, 417,047.82 and 168,059 is: 231,929.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,197.88 : 417,047.82 = 168,059 : x
  2. Step 2: Convert to fraction form
    302,197.88/417,047.82 = 168,059/x
  3. Step 3: Cross multiply
    302,197.88x = 417,047.82 × 168,059
  4. Step 4: Simplify right side
    302,197.88x = 70,088,639,581.38
  5. Step 5: Solve for x
    x = 70,088,639,581.38/302,197.88
  6. Step 6: Final answer
    x = 231,929.62

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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.