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Finding the Fourth Proportional to 97,659.56, 146,390.58 and 38,472.20

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Solution

The fourth proportional to 97,659.56, 146,390.58 and 38,472.20 is: 57,669.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,659.56 : 146,390.58 = 38,472.20 : x
  2. Step 2: Convert to fraction form
    97,659.56/146,390.58 = 38,472.20/x
  3. Step 3: Cross multiply
    97,659.56x = 146,390.58 × 38,472.20
  4. Step 4: Simplify right side
    97,659.56x = 5,631,967,671.88
  5. Step 5: Solve for x
    x = 5,631,967,671.88/97,659.56
  6. Step 6: Final answer
    x = 57,669.39

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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.