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Finding the Fourth Proportional to 162,562.84, 243,766.50 and 69,017.56

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Solution

The fourth proportional to 162,562.84, 243,766.50 and 69,017.56 is: 103,493.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,562.84 : 243,766.50 = 69,017.56 : x
  2. Step 2: Convert to fraction form
    162,562.84/243,766.50 = 69,017.56/x
  3. Step 3: Cross multiply
    162,562.84x = 243,766.50 × 69,017.56
  4. Step 4: Simplify right side
    162,562.84x = 16,824,169,039.74
  5. Step 5: Solve for x
    x = 16,824,169,039.74/162,562.84
  6. Step 6: Final answer
    x = 103,493.33

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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.