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Finding the Fourth Proportional to 94,913.81, 130,974.48 and 52,469

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Solution

The fourth proportional to 94,913.81, 130,974.48 and 52,469 is: 72,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,913.81 : 130,974.48 = 52,469 : x
  2. Step 2: Convert to fraction form
    94,913.81/130,974.48 = 52,469/x
  3. Step 3: Cross multiply
    94,913.81x = 130,974.48 × 52,469
  4. Step 4: Simplify right side
    94,913.81x = 6,872,099,991.12
  5. Step 5: Solve for x
    x = 6,872,099,991.12/94,913.81
  6. Step 6: Final answer
    x = 72,403.58

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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.