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Finding the Fourth Proportional to 159,858.40, 239,699.43 and 65,064.25

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Solution

The fourth proportional to 159,858.40, 239,699.43 and 65,064.25 is: 97,560.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,858.40 : 239,699.43 = 65,064.25 : x
  2. Step 2: Convert to fraction form
    159,858.40/239,699.43 = 65,064.25/x
  3. Step 3: Cross multiply
    159,858.40x = 239,699.43 × 65,064.25
  4. Step 4: Simplify right side
    159,858.40x = 15,595,863,638.38
  5. Step 5: Solve for x
    x = 15,595,863,638.38/159,858.40
  6. Step 6: Final answer
    x = 97,560.49

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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.