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Finding the Fourth Proportional to 159,676.95, 239,515.46 and 64,958.66

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Solution

The fourth proportional to 159,676.95, 239,515.46 and 64,958.66 is: 97,438.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,676.95 : 239,515.46 = 64,958.66 : x
  2. Step 2: Convert to fraction form
    159,676.95/239,515.46 = 64,958.66/x
  3. Step 3: Cross multiply
    159,676.95x = 239,515.46 × 64,958.66
  4. Step 4: Simplify right side
    159,676.95x = 15,558,602,767.59
  5. Step 5: Solve for x
    x = 15,558,602,767.59/159,676.95
  6. Step 6: Final answer
    x = 97,438.00

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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.