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Finding the Fourth Proportional to 143,513.70, 214,963.01 and 116,732.57

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Solution

The fourth proportional to 143,513.70, 214,963.01 and 116,732.57 is: 174,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,513.70 : 214,963.01 = 116,732.57 : x
  2. Step 2: Convert to fraction form
    143,513.70/214,963.01 = 116,732.57/x
  3. Step 3: Cross multiply
    143,513.70x = 214,963.01 × 116,732.57
  4. Step 4: Simplify right side
    143,513.70x = 25,093,184,028.57
  5. Step 5: Solve for x
    x = 25,093,184,028.57/143,513.70
  6. Step 6: Final answer
    x = 174,848.70

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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.