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Finding the Fourth Proportional to 161,763.94, 242,645.93 and 49,444.48

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Solution

The fourth proportional to 161,763.94, 242,645.93 and 49,444.48 is: 74,166.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,763.94 : 242,645.93 = 49,444.48 : x
  2. Step 2: Convert to fraction form
    161,763.94/242,645.93 = 49,444.48/x
  3. Step 3: Cross multiply
    161,763.94x = 242,645.93 × 49,444.48
  4. Step 4: Simplify right side
    161,763.94x = 11,997,501,832.97
  5. Step 5: Solve for x
    x = 11,997,501,832.97/161,763.94
  6. Step 6: Final answer
    x = 74,166.73

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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.