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Finding the Fourth Proportional to 225,585.88, 311,304.40 and 133,766.93

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Solution

The fourth proportional to 225,585.88, 311,304.40 and 133,766.93 is: 184,595.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,585.88 : 311,304.40 = 133,766.93 : x
  2. Step 2: Convert to fraction form
    225,585.88/311,304.40 = 133,766.93/x
  3. Step 3: Cross multiply
    225,585.88x = 311,304.40 × 133,766.93
  4. Step 4: Simplify right side
    225,585.88x = 41,642,234,327.34
  5. Step 5: Solve for x
    x = 41,642,234,327.34/225,585.88
  6. Step 6: Final answer
    x = 184,595.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.