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Finding the Fourth Proportional to 168,024.80, 252,037.20 and 155,194.40

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Solution

The fourth proportional to 168,024.80, 252,037.20 and 155,194.40 is: 232,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,024.80 : 252,037.20 = 155,194.40 : x
  2. Step 2: Convert to fraction form
    168,024.80/252,037.20 = 155,194.40/x
  3. Step 3: Cross multiply
    168,024.80x = 252,037.20 × 155,194.40
  4. Step 4: Simplify right side
    168,024.80x = 39,114,762,031.68
  5. Step 5: Solve for x
    x = 39,114,762,031.68/168,024.80
  6. Step 6: Final answer
    x = 232,791.60

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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.