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Finding the Fourth Proportional to 162,664.34, 243,989.34 and 44,335.68

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Solution

The fourth proportional to 162,664.34, 243,989.34 and 44,335.68 is: 66,501.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,664.34 : 243,989.34 = 44,335.68 : x
  2. Step 2: Convert to fraction form
    162,664.34/243,989.34 = 44,335.68/x
  3. Step 3: Cross multiply
    162,664.34x = 243,989.34 × 44,335.68
  4. Step 4: Simplify right side
    162,664.34x = 10,817,433,301.65
  5. Step 5: Solve for x
    x = 10,817,433,301.65/162,664.34
  6. Step 6: Final answer
    x = 66,501.56

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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.