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Finding the Fourth Proportional to 129,164.80, 193,617.60 and 59,094.40

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Solution

The fourth proportional to 129,164.80, 193,617.60 and 59,094.40 is: 88,582.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,164.80 : 193,617.60 = 59,094.40 : x
  2. Step 2: Convert to fraction form
    129,164.80/193,617.60 = 59,094.40/x
  3. Step 3: Cross multiply
    129,164.80x = 193,617.60 × 59,094.40
  4. Step 4: Simplify right side
    129,164.80x = 11,441,715,901.44
  5. Step 5: Solve for x
    x = 11,441,715,901.44/129,164.80
  6. Step 6: Final answer
    x = 88,582.31

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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.