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Finding the Fourth Proportional to 130,473.70, 195,748.48 and 54,608.03

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Solution

The fourth proportional to 130,473.70, 195,748.48 and 54,608.03 is: 81,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,473.70 : 195,748.48 = 54,608.03 : x
  2. Step 2: Convert to fraction form
    130,473.70/195,748.48 = 54,608.03/x
  3. Step 3: Cross multiply
    130,473.70x = 195,748.48 × 54,608.03
  4. Step 4: Simplify right side
    130,473.70x = 10,689,438,868.29
  5. Step 5: Solve for x
    x = 10,689,438,868.29/130,473.70
  6. Step 6: Final answer
    x = 81,927.92

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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.