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Finding the Fourth Proportional to 223,230.46, 308,060.84 and 121,257.63

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Solution

The fourth proportional to 223,230.46, 308,060.84 and 121,257.63 is: 167,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,230.46 : 308,060.84 = 121,257.63 : x
  2. Step 2: Convert to fraction form
    223,230.46/308,060.84 = 121,257.63/x
  3. Step 3: Cross multiply
    223,230.46x = 308,060.84 × 121,257.63
  4. Step 4: Simplify right side
    223,230.46x = 37,354,727,354.21
  5. Step 5: Solve for x
    x = 37,354,727,354.21/223,230.46
  6. Step 6: Final answer
    x = 167,337.05

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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.