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Finding the Fourth Proportional to 161,542.56, 242,326.32 and 49,232.40

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Solution

The fourth proportional to 161,542.56, 242,326.32 and 49,232.40 is: 73,852.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,542.56 : 242,326.32 = 49,232.40 : x
  2. Step 2: Convert to fraction form
    161,542.56/242,326.32 = 49,232.40/x
  3. Step 3: Cross multiply
    161,542.56x = 242,326.32 × 49,232.40
  4. Step 4: Simplify right side
    161,542.56x = 11,930,306,316.77
  5. Step 5: Solve for x
    x = 11,930,306,316.77/161,542.56
  6. Step 6: Final answer
    x = 73,852.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.