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Finding the Fourth Proportional to 161,643.52, 242,503.44 and 50,835.52

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Solution

The fourth proportional to 161,643.52, 242,503.44 and 50,835.52 is: 76,265.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,643.52 : 242,503.44 = 50,835.52 : x
  2. Step 2: Convert to fraction form
    161,643.52/242,503.44 = 50,835.52/x
  3. Step 3: Cross multiply
    161,643.52x = 242,503.44 × 50,835.52
  4. Step 4: Simplify right side
    161,643.52x = 12,327,788,474.19
  5. Step 5: Solve for x
    x = 12,327,788,474.19/161,643.52
  6. Step 6: Final answer
    x = 76,265.28

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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.