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Finding the Fourth Proportional to 146,410.80, 219,486.60 and 130,664.40

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Solution

The fourth proportional to 146,410.80, 219,486.60 and 130,664.40 is: 195,880.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,410.80 : 219,486.60 = 130,664.40 : x
  2. Step 2: Convert to fraction form
    146,410.80/219,486.60 = 130,664.40/x
  3. Step 3: Cross multiply
    146,410.80x = 219,486.60 × 130,664.40
  4. Step 4: Simplify right side
    146,410.80x = 28,679,084,897.04
  5. Step 5: Solve for x
    x = 28,679,084,897.04/146,410.80
  6. Step 6: Final answer
    x = 195,880.94

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1.5x scale

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.