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Finding the Fourth Proportional to 130,573, 195,861.66 and 56,701

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Solution

The fourth proportional to 130,573, 195,861.66 and 56,701 is: 85,052.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,573 : 195,861.66 = 56,701 : x
  2. Step 2: Convert to fraction form
    130,573/195,861.66 = 56,701/x
  3. Step 3: Cross multiply
    130,573x = 195,861.66 × 56,701
  4. Step 4: Simplify right side
    130,573x = 11,105,551,983.66
  5. Step 5: Solve for x
    x = 11,105,551,983.66/130,573
  6. Step 6: Final answer
    x = 85,052.44

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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.