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Finding the Fourth Proportional to 176,960.70, 265,428.90 and 57,015.90

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Solution

The fourth proportional to 176,960.70, 265,428.90 and 57,015.90 is: 85,519.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,960.70 : 265,428.90 = 57,015.90 : x
  2. Step 2: Convert to fraction form
    176,960.70/265,428.90 = 57,015.90/x
  3. Step 3: Cross multiply
    176,960.70x = 265,428.90 × 57,015.90
  4. Step 4: Simplify right side
    176,960.70x = 15,133,667,619.51
  5. Step 5: Solve for x
    x = 15,133,667,619.51/176,960.70
  6. Step 6: Final answer
    x = 85,519.94

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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.