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Finding the Fourth Proportional to 151,857.80, 227,786.70 and 116,428.40

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Solution

The fourth proportional to 151,857.80, 227,786.70 and 116,428.40 is: 174,642.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,857.80 : 227,786.70 = 116,428.40 : x
  2. Step 2: Convert to fraction form
    151,857.80/227,786.70 = 116,428.40/x
  3. Step 3: Cross multiply
    151,857.80x = 227,786.70 × 116,428.40
  4. Step 4: Simplify right side
    151,857.80x = 26,520,841,022.28
  5. Step 5: Solve for x
    x = 26,520,841,022.28/151,857.80
  6. Step 6: Final answer
    x = 174,642.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.