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Finding the Fourth Proportional to 148,843.60, 223,265.40 and 43,673.20

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Solution

The fourth proportional to 148,843.60, 223,265.40 and 43,673.20 is: 65,509.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,843.60 : 223,265.40 = 43,673.20 : x
  2. Step 2: Convert to fraction form
    148,843.60/223,265.40 = 43,673.20/x
  3. Step 3: Cross multiply
    148,843.60x = 223,265.40 × 43,673.20
  4. Step 4: Simplify right side
    148,843.60x = 9,750,714,467.28
  5. Step 5: Solve for x
    x = 9,750,714,467.28/148,843.60
  6. Step 6: Final answer
    x = 65,509.80

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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.