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Finding the Fourth Proportional to 162,536.74, 243,744.48 and 55,890.53

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Solution

The fourth proportional to 162,536.74, 243,744.48 and 55,890.53 is: 83,814.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,536.74 : 243,744.48 = 55,890.53 : x
  2. Step 2: Convert to fraction form
    162,536.74/243,744.48 = 55,890.53/x
  3. Step 3: Cross multiply
    162,536.74x = 243,744.48 × 55,890.53
  4. Step 4: Simplify right side
    162,536.74x = 13,623,007,562.41
  5. Step 5: Solve for x
    x = 13,623,007,562.41/162,536.74
  6. Step 6: Final answer
    x = 83,814.94

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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.