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Finding the Fourth Proportional to 175,353.60, 262,857.60 and 86,620.80

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Solution

The fourth proportional to 175,353.60, 262,857.60 and 86,620.80 is: 129,845.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,353.60 : 262,857.60 = 86,620.80 : x
  2. Step 2: Convert to fraction form
    175,353.60/262,857.60 = 86,620.80/x
  3. Step 3: Cross multiply
    175,353.60x = 262,857.60 × 86,620.80
  4. Step 4: Simplify right side
    175,353.60x = 22,768,935,598.08
  5. Step 5: Solve for x
    x = 22,768,935,598.08/175,353.60
  6. Step 6: Final answer
    x = 129,845.84

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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.