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Finding the Fourth Proportional to 61,164.63, 84,364.52 and 59,107.18

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Solution

The fourth proportional to 61,164.63, 84,364.52 and 59,107.18 is: 81,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,164.63 : 84,364.52 = 59,107.18 : x
  2. Step 2: Convert to fraction form
    61,164.63/84,364.52 = 59,107.18/x
  3. Step 3: Cross multiply
    61,164.63x = 84,364.52 × 59,107.18
  4. Step 4: Simplify right side
    61,164.63x = 4,986,548,869.25
  5. Step 5: Solve for x
    x = 4,986,548,869.25/61,164.63
  6. Step 6: Final answer
    x = 81,526.67

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.