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Finding the Fourth Proportional to 61,425.80, 92,139.20 and 17,056.01

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Solution

The fourth proportional to 61,425.80, 92,139.20 and 17,056.01 is: 25,584.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,425.80 : 92,139.20 = 17,056.01 : x
  2. Step 2: Convert to fraction form
    61,425.80/92,139.20 = 17,056.01/x
  3. Step 3: Cross multiply
    61,425.80x = 92,139.20 × 17,056.01
  4. Step 4: Simplify right side
    61,425.80x = 1,571,526,698.54
  5. Step 5: Solve for x
    x = 1,571,526,698.54/61,425.80
  6. Step 6: Final answer
    x = 25,584.15

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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.