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Finding the Fourth Proportional to 116,757.05, 161,068.79 and 112,230.41

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Solution

The fourth proportional to 116,757.05, 161,068.79 and 112,230.41 is: 154,824.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,757.05 : 161,068.79 = 112,230.41 : x
  2. Step 2: Convert to fraction form
    116,757.05/161,068.79 = 112,230.41/x
  3. Step 3: Cross multiply
    116,757.05x = 161,068.79 × 112,230.41
  4. Step 4: Simplify right side
    116,757.05x = 18,076,815,815.14
  5. Step 5: Solve for x
    x = 18,076,815,815.14/116,757.05
  6. Step 6: Final answer
    x = 154,824.20

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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.