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Finding the Fourth Proportional to 91,373.75, 136,919.00 and 63,348.29

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Solution

The fourth proportional to 91,373.75, 136,919.00 and 63,348.29 is: 94,924.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,373.75 : 136,919.00 = 63,348.29 : x
  2. Step 2: Convert to fraction form
    91,373.75/136,919.00 = 63,348.29/x
  3. Step 3: Cross multiply
    91,373.75x = 136,919.00 × 63,348.29
  4. Step 4: Simplify right side
    91,373.75x = 8,673,583,992.29
  5. Step 5: Solve for x
    x = 8,673,583,992.29/91,373.75
  6. Step 6: Final answer
    x = 94,924.25

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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.