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Finding the Fourth Proportional to 103,476.93, 155,215.32 and 27,575.49

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Solution

The fourth proportional to 103,476.93, 155,215.32 and 27,575.49 is: 41,363.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,476.93 : 155,215.32 = 27,575.49 : x
  2. Step 2: Convert to fraction form
    103,476.93/155,215.32 = 27,575.49/x
  3. Step 3: Cross multiply
    103,476.93x = 155,215.32 × 27,575.49
  4. Step 4: Simplify right side
    103,476.93x = 4,280,138,504.51
  5. Step 5: Solve for x
    x = 4,280,138,504.51/103,476.93
  6. Step 6: Final answer
    x = 41,363.22

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1.5x scale

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.