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Finding the Fourth Proportional to 269,346, 404,077.32 and 103,134

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Solution

The fourth proportional to 269,346, 404,077.32 and 103,134 is: 154,723.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,346 : 404,077.32 = 103,134 : x
  2. Step 2: Convert to fraction form
    269,346/404,077.32 = 103,134/x
  3. Step 3: Cross multiply
    269,346x = 404,077.32 × 103,134
  4. Step 4: Simplify right side
    269,346x = 41,674,110,320.88
  5. Step 5: Solve for x
    x = 41,674,110,320.88/269,346
  6. Step 6: Final answer
    x = 154,723.33

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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.