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Finding the Fourth Proportional to 223,374.57, 335,061.12 and 90,253.23

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Solution

The fourth proportional to 223,374.57, 335,061.12 and 90,253.23 is: 135,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,374.57 : 335,061.12 = 90,253.23 : x
  2. Step 2: Convert to fraction form
    223,374.57/335,061.12 = 90,253.23/x
  3. Step 3: Cross multiply
    223,374.57x = 335,061.12 × 90,253.23
  4. Step 4: Simplify right side
    223,374.57x = 30,240,347,409.39
  5. Step 5: Solve for x
    x = 30,240,347,409.39/223,374.57
  6. Step 6: Final answer
    x = 135,379.55

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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.