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Finding the Fourth Proportional to 223,468.23, 335,201.54 and 90,346.89

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Solution

The fourth proportional to 223,468.23, 335,201.54 and 90,346.89 is: 135,520.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,468.23 : 335,201.54 = 90,346.89 : x
  2. Step 2: Convert to fraction form
    223,468.23/335,201.54 = 90,346.89/x
  3. Step 3: Cross multiply
    223,468.23x = 335,201.54 × 90,346.89
  4. Step 4: Simplify right side
    223,468.23x = 30,284,416,210.48
  5. Step 5: Solve for x
    x = 30,284,416,210.48/223,468.23
  6. Step 6: Final answer
    x = 135,520.01

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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.