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Finding the Fourth Proportional to 141,330, 194,901.42 and 92,846.64

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Solution

The fourth proportional to 141,330, 194,901.42 and 92,846.64 is: 128,040.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,330 : 194,901.42 = 92,846.64 : x
  2. Step 2: Convert to fraction form
    141,330/194,901.42 = 92,846.64/x
  3. Step 3: Cross multiply
    141,330x = 194,901.42 × 92,846.64
  4. Step 4: Simplify right side
    141,330x = 18,095,941,978.23
  5. Step 5: Solve for x
    x = 18,095,941,978.23/141,330
  6. Step 6: Final answer
    x = 128,040.35

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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.