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Finding the Fourth Proportional to 223,477.60, 334,924.80 and 90,248.80

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Solution

The fourth proportional to 223,477.60, 334,924.80 and 90,248.80 is: 135,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,477.60 : 334,924.80 = 90,248.80 : x
  2. Step 2: Convert to fraction form
    223,477.60/334,924.80 = 90,248.80/x
  3. Step 3: Cross multiply
    223,477.60x = 334,924.80 × 90,248.80
  4. Step 4: Simplify right side
    223,477.60x = 30,226,561,290.24
  5. Step 5: Solve for x
    x = 30,226,561,290.24/223,477.60
  6. Step 6: Final answer
    x = 135,255.44

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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.