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Finding the Fourth Proportional to 131,475.90, 197,247.01 and 36,706

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Solution

The fourth proportional to 131,475.90, 197,247.01 and 36,706 is: 55,068.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,475.90 : 197,247.01 = 36,706 : x
  2. Step 2: Convert to fraction form
    131,475.90/197,247.01 = 36,706/x
  3. Step 3: Cross multiply
    131,475.90x = 197,247.01 × 36,706
  4. Step 4: Simplify right side
    131,475.90x = 7,240,148,749.06
  5. Step 5: Solve for x
    x = 7,240,148,749.06/131,475.90
  6. Step 6: Final answer
    x = 55,068.26

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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.