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Finding the Fourth Proportional to 229,490.79, 343,990.08 and 110,999.13

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Solution

The fourth proportional to 229,490.79, 343,990.08 and 110,999.13 is: 166,379.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,490.79 : 343,990.08 = 110,999.13 : x
  2. Step 2: Convert to fraction form
    229,490.79/343,990.08 = 110,999.13/x
  3. Step 3: Cross multiply
    229,490.79x = 343,990.08 × 110,999.13
  4. Step 4: Simplify right side
    229,490.79x = 38,182,599,608.63
  5. Step 5: Solve for x
    x = 38,182,599,608.63/229,490.79
  6. Step 6: Final answer
    x = 166,379.66

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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.