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Finding the Fourth Proportional to 159,926.98, 239,973.48 and 65,226.64

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Solution

The fourth proportional to 159,926.98, 239,973.48 and 65,226.64 is: 97,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,926.98 : 239,973.48 = 65,226.64 : x
  2. Step 2: Convert to fraction form
    159,926.98/239,973.48 = 65,226.64/x
  3. Step 3: Cross multiply
    159,926.98x = 239,973.48 × 65,226.64
  4. Step 4: Simplify right side
    159,926.98x = 15,652,663,789.51
  5. Step 5: Solve for x
    x = 15,652,663,789.51/159,926.98
  6. Step 6: Final answer
    x = 97,873.82

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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.