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Finding the Fourth Proportional to 223,573.53, 335,360.52 and 90,454.93

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Solution

The fourth proportional to 223,573.53, 335,360.52 and 90,454.93 is: 135,682.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,573.53 : 335,360.52 = 90,454.93 : x
  2. Step 2: Convert to fraction form
    223,573.53/335,360.52 = 90,454.93/x
  3. Step 3: Cross multiply
    223,573.53x = 335,360.52 × 90,454.93
  4. Step 4: Simplify right side
    223,573.53x = 30,335,011,522.96
  5. Step 5: Solve for x
    x = 30,335,011,522.96/223,573.53
  6. Step 6: Final answer
    x = 135,682.48

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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.