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Finding the Fourth Proportional to 131,671.30, 197,502.51 and 52,764.34

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Solution

The fourth proportional to 131,671.30, 197,502.51 and 52,764.34 is: 79,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,671.30 : 197,502.51 = 52,764.34 : x
  2. Step 2: Convert to fraction form
    131,671.30/197,502.51 = 52,764.34/x
  3. Step 3: Cross multiply
    131,671.30x = 197,502.51 × 52,764.34
  4. Step 4: Simplify right side
    131,671.30x = 10,421,089,588.49
  5. Step 5: Solve for x
    x = 10,421,089,588.49/131,671.30
  6. Step 6: Final answer
    x = 79,144.73

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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.