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Finding the Fourth Proportional to 92,425.59, 127,580.01 and 54,699.75

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Solution

The fourth proportional to 92,425.59, 127,580.01 and 54,699.75 is: 75,505.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,425.59 : 127,580.01 = 54,699.75 : x
  2. Step 2: Convert to fraction form
    92,425.59/127,580.01 = 54,699.75/x
  3. Step 3: Cross multiply
    92,425.59x = 127,580.01 × 54,699.75
  4. Step 4: Simplify right side
    92,425.59x = 6,978,594,652.00
  5. Step 5: Solve for x
    x = 6,978,594,652.00/92,425.59
  6. Step 6: Final answer
    x = 75,505.01

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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.