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Finding the Fourth Proportional to 162,575.92, 243,842.34 and 73,809.01

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Solution

The fourth proportional to 162,575.92, 243,842.34 and 73,809.01 is: 110,703.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,575.92 : 243,842.34 = 73,809.01 : x
  2. Step 2: Convert to fraction form
    162,575.92/243,842.34 = 73,809.01/x
  3. Step 3: Cross multiply
    162,575.92x = 243,842.34 × 73,809.01
  4. Step 4: Simplify right side
    162,575.92x = 17,997,760,921.46
  5. Step 5: Solve for x
    x = 17,997,760,921.46/162,575.92
  6. Step 6: Final answer
    x = 110,703.73

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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.