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Finding the Fourth Proportional to 169,962.80, 254,944.20 and 159,465.20

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Solution

The fourth proportional to 169,962.80, 254,944.20 and 159,465.20 is: 239,197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,962.80 : 254,944.20 = 159,465.20 : x
  2. Step 2: Convert to fraction form
    169,962.80/254,944.20 = 159,465.20/x
  3. Step 3: Cross multiply
    169,962.80x = 254,944.20 × 159,465.20
  4. Step 4: Simplify right side
    169,962.80x = 40,654,727,841.84
  5. Step 5: Solve for x
    x = 40,654,727,841.84/169,962.80
  6. Step 6: Final answer
    x = 239,197.80

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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.