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Finding the Fourth Proportional to 131,773.47, 197,679.47 and 38,267.07

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Solution

The fourth proportional to 131,773.47, 197,679.47 and 38,267.07 is: 57,406.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,773.47 : 197,679.47 = 38,267.07 : x
  2. Step 2: Convert to fraction form
    131,773.47/197,679.47 = 38,267.07/x
  3. Step 3: Cross multiply
    131,773.47x = 197,679.47 × 38,267.07
  4. Step 4: Simplify right side
    131,773.47x = 7,564,613,924.72
  5. Step 5: Solve for x
    x = 7,564,613,924.72/131,773.47
  6. Step 6: Final answer
    x = 57,406.20

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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.