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Finding the Fourth Proportional to 94,691.88, 130,675.41 and 51,674.40

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Solution

The fourth proportional to 94,691.88, 130,675.41 and 51,674.40 is: 71,311.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,691.88 : 130,675.41 = 51,674.40 : x
  2. Step 2: Convert to fraction form
    94,691.88/130,675.41 = 51,674.40/x
  3. Step 3: Cross multiply
    94,691.88x = 130,675.41 × 51,674.40
  4. Step 4: Simplify right side
    94,691.88x = 6,752,573,406.50
  5. Step 5: Solve for x
    x = 6,752,573,406.50/94,691.88
  6. Step 6: Final answer
    x = 71,311.01

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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.