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Finding the Fourth Proportional to 92,290.56, 127,361.04 and 49,849.08

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Solution

The fourth proportional to 92,290.56, 127,361.04 and 49,849.08 is: 68,791.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,290.56 : 127,361.04 = 49,849.08 : x
  2. Step 2: Convert to fraction form
    92,290.56/127,361.04 = 49,849.08/x
  3. Step 3: Cross multiply
    92,290.56x = 127,361.04 × 49,849.08
  4. Step 4: Simplify right side
    92,290.56x = 6,348,830,671.84
  5. Step 5: Solve for x
    x = 6,348,830,671.84/92,290.56
  6. Step 6: Final answer
    x = 68,791.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.