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Finding the Fourth Proportional to 159,360.40, 238,522.20 and 146,918.80

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Solution

The fourth proportional to 159,360.40, 238,522.20 and 146,918.80 is: 219,900.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,360.40 : 238,522.20 = 146,918.80 : x
  2. Step 2: Convert to fraction form
    159,360.40/238,522.20 = 146,918.80/x
  3. Step 3: Cross multiply
    159,360.40x = 238,522.20 × 146,918.80
  4. Step 4: Simplify right side
    159,360.40x = 35,043,395,397.36
  5. Step 5: Solve for x
    x = 35,043,395,397.36/159,360.40
  6. Step 6: Final answer
    x = 219,900.27

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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.