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Finding the Fourth Proportional to 176,517, 243,425.82 and 116,138.88

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Solution

The fourth proportional to 176,517, 243,425.82 and 116,138.88 is: 160,161.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,517 : 243,425.82 = 116,138.88 : x
  2. Step 2: Convert to fraction form
    176,517/243,425.82 = 116,138.88/x
  3. Step 3: Cross multiply
    176,517x = 243,425.82 × 116,138.88
  4. Step 4: Simplify right side
    176,517x = 28,271,202,097.88
  5. Step 5: Solve for x
    x = 28,271,202,097.88/176,517
  6. Step 6: Final answer
    x = 160,161.36

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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.