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Finding the Fourth Proportional to 146,592.80, 219,889.20 and 130,263.20

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Solution

The fourth proportional to 146,592.80, 219,889.20 and 130,263.20 is: 195,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,592.80 : 219,889.20 = 130,263.20 : x
  2. Step 2: Convert to fraction form
    146,592.80/219,889.20 = 130,263.20/x
  3. Step 3: Cross multiply
    146,592.80x = 219,889.20 × 130,263.20
  4. Step 4: Simplify right side
    146,592.80x = 28,643,470,837.44
  5. Step 5: Solve for x
    x = 28,643,470,837.44/146,592.80
  6. Step 6: Final answer
    x = 195,394.80

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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.