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Finding the Fourth Proportional to 269,269.68, 403,973.72 and 100,792.41

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Solution

The fourth proportional to 269,269.68, 403,973.72 and 100,792.41 is: 151,214.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,269.68 : 403,973.72 = 100,792.41 : x
  2. Step 2: Convert to fraction form
    269,269.68/403,973.72 = 100,792.41/x
  3. Step 3: Cross multiply
    269,269.68x = 403,973.72 × 100,792.41
  4. Step 4: Simplify right side
    269,269.68x = 40,717,484,311.50
  5. Step 5: Solve for x
    x = 40,717,484,311.50/269,269.68
  6. Step 6: Final answer
    x = 151,214.52

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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.