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Finding the Fourth Proportional to 223,652.40, 335,219.40 and 90,466.80

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Solution

The fourth proportional to 223,652.40, 335,219.40 and 90,466.80 is: 135,595.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,652.40 : 335,219.40 = 90,466.80 : x
  2. Step 2: Convert to fraction form
    223,652.40/335,219.40 = 90,466.80/x
  3. Step 3: Cross multiply
    223,652.40x = 335,219.40 × 90,466.80
  4. Step 4: Simplify right side
    223,652.40x = 30,326,226,415.92
  5. Step 5: Solve for x
    x = 30,326,226,415.92/223,652.40
  6. Step 6: Final answer
    x = 135,595.35

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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.