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Finding the Fourth Proportional to 269,569.44, 404,411.76 and 103,356

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Solution

The fourth proportional to 269,569.44, 404,411.76 and 103,356 is: 155,056.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,569.44 : 404,411.76 = 103,356 : x
  2. Step 2: Convert to fraction form
    269,569.44/404,411.76 = 103,356/x
  3. Step 3: Cross multiply
    269,569.44x = 404,411.76 × 103,356
  4. Step 4: Simplify right side
    269,569.44x = 41,798,381,866.56
  5. Step 5: Solve for x
    x = 41,798,381,866.56/269,569.44
  6. Step 6: Final answer
    x = 155,056.08

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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.