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Finding the Fourth Proportional to 61,107.90, 79,527.75 and 61,107.90

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Solution

The fourth proportional to 61,107.90, 79,527.75 and 61,107.90 is: 79,527.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,107.90 : 79,527.75 = 61,107.90 : x
  2. Step 2: Convert to fraction form
    61,107.90/79,527.75 = 61,107.90/x
  3. Step 3: Cross multiply
    61,107.90x = 79,527.75 × 61,107.90
  4. Step 4: Simplify right side
    61,107.90x = 4,859,773,794.23
  5. Step 5: Solve for x
    x = 4,859,773,794.23/61,107.90
  6. Step 6: Final answer
    x = 79,527.75

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Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.