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Finding the Fourth Proportional to 176,512, 243,418.92 and 116,133.88

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Solution

The fourth proportional to 176,512, 243,418.92 and 116,133.88 is: 160,154.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,512 : 243,418.92 = 116,133.88 : x
  2. Step 2: Convert to fraction form
    176,512/243,418.92 = 116,133.88/x
  3. Step 3: Cross multiply
    176,512x = 243,418.92 × 116,133.88
  4. Step 4: Simplify right side
    176,512x = 28,269,183,645.01
  5. Step 5: Solve for x
    x = 28,269,183,645.01/176,512
  6. Step 6: Final answer
    x = 160,154.46

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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.