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Finding the Fourth Proportional to 146,648.60, 219,972.90 and 130,027.40

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Solution

The fourth proportional to 146,648.60, 219,972.90 and 130,027.40 is: 195,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,648.60 : 219,972.90 = 130,027.40 : x
  2. Step 2: Convert to fraction form
    146,648.60/219,972.90 = 130,027.40/x
  3. Step 3: Cross multiply
    146,648.60x = 219,972.90 × 130,027.40
  4. Step 4: Simplify right side
    146,648.60x = 28,602,504,257.46
  5. Step 5: Solve for x
    x = 28,602,504,257.46/146,648.60
  6. Step 6: Final answer
    x = 195,041.10

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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.