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Finding the Fourth Proportional to 159,005.61, 238,516.56 and 40,677.96

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Solution

The fourth proportional to 159,005.61, 238,516.56 and 40,677.96 is: 61,019.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,005.61 : 238,516.56 = 40,677.96 : x
  2. Step 2: Convert to fraction form
    159,005.61/238,516.56 = 40,677.96/x
  3. Step 3: Cross multiply
    159,005.61x = 238,516.56 × 40,677.96
  4. Step 4: Simplify right side
    159,005.61x = 9,702,367,087.02
  5. Step 5: Solve for x
    x = 9,702,367,087.02/159,005.61
  6. Step 6: Final answer
    x = 61,019.02

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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.