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Finding the Fourth Proportional to 161,507.52, 242,299.62 and 50,699.52

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Solution

The fourth proportional to 161,507.52, 242,299.62 and 50,699.52 is: 76,061.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,507.52 : 242,299.62 = 50,699.52 : x
  2. Step 2: Convert to fraction form
    161,507.52/242,299.62 = 50,699.52/x
  3. Step 3: Cross multiply
    161,507.52x = 242,299.62 × 50,699.52
  4. Step 4: Simplify right side
    161,507.52x = 12,284,474,430.18
  5. Step 5: Solve for x
    x = 12,284,474,430.18/161,507.52
  6. Step 6: Final answer
    x = 76,061.32

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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.