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Finding the Fourth Proportional to 91,104.96, 136,699.62 and 34,926.28

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Solution

The fourth proportional to 91,104.96, 136,699.62 and 34,926.28 is: 52,405.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,104.96 : 136,699.62 = 34,926.28 : x
  2. Step 2: Convert to fraction form
    91,104.96/136,699.62 = 34,926.28/x
  3. Step 3: Cross multiply
    91,104.96x = 136,699.62 × 34,926.28
  4. Step 4: Simplify right side
    91,104.96x = 4,774,409,204.01
  5. Step 5: Solve for x
    x = 4,774,409,204.01/91,104.96
  6. Step 6: Final answer
    x = 52,405.59

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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.