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Finding the Fourth Proportional to 269,303.62, 403,969.29 and 69,625.74

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Solution

The fourth proportional to 269,303.62, 403,969.29 and 69,625.74 is: 104,442.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,303.62 : 403,969.29 = 69,625.74 : x
  2. Step 2: Convert to fraction form
    269,303.62/403,969.29 = 69,625.74/x
  3. Step 3: Cross multiply
    269,303.62x = 403,969.29 × 69,625.74
  4. Step 4: Simplify right side
    269,303.62x = 28,126,660,753.52
  5. Step 5: Solve for x
    x = 28,126,660,753.52/269,303.62
  6. Step 6: Final answer
    x = 104,442.19

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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.