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Finding the Fourth Proportional to 94,194.90, 129,996.20 and 53,921.30

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Solution

The fourth proportional to 94,194.90, 129,996.20 and 53,921.30 is: 74,415.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,194.90 : 129,996.20 = 53,921.30 : x
  2. Step 2: Convert to fraction form
    94,194.90/129,996.20 = 53,921.30/x
  3. Step 3: Cross multiply
    94,194.90x = 129,996.20 × 53,921.30
  4. Step 4: Simplify right side
    94,194.90x = 7,009,564,099.06
  5. Step 5: Solve for x
    x = 7,009,564,099.06/94,194.90
  6. Step 6: Final answer
    x = 74,415.54

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1.5x scale

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.