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Finding the Fourth Proportional to 91,252.93, 136,879.39 and 34,337.53

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Solution

The fourth proportional to 91,252.93, 136,879.39 and 34,337.53 is: 51,506.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,252.93 : 136,879.39 = 34,337.53 : x
  2. Step 2: Convert to fraction form
    91,252.93/136,879.39 = 34,337.53/x
  3. Step 3: Cross multiply
    91,252.93x = 136,879.39 × 34,337.53
  4. Step 4: Simplify right side
    91,252.93x = 4,700,100,160.51
  5. Step 5: Solve for x
    x = 4,700,100,160.51/91,252.93
  6. Step 6: Final answer
    x = 51,506.29

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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.