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Finding the Fourth Proportional to 61,308.84, 91,886.31 and 26,207.22

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Solution

The fourth proportional to 61,308.84, 91,886.31 and 26,207.22 is: 39,277.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,308.84 : 91,886.31 = 26,207.22 : x
  2. Step 2: Convert to fraction form
    61,308.84/91,886.31 = 26,207.22/x
  3. Step 3: Cross multiply
    61,308.84x = 91,886.31 × 26,207.22
  4. Step 4: Simplify right side
    61,308.84x = 2,408,084,741.16
  5. Step 5: Solve for x
    x = 2,408,084,741.16/61,308.84
  6. Step 6: Final answer
    x = 39,277.94

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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.