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Finding the Fourth Proportional to 229,505.60, 343,602.30 and 140,932.10

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Solution

The fourth proportional to 229,505.60, 343,602.30 and 140,932.10 is: 210,995.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,505.60 : 343,602.30 = 140,932.10 : x
  2. Step 2: Convert to fraction form
    229,505.60/343,602.30 = 140,932.10/x
  3. Step 3: Cross multiply
    229,505.60x = 343,602.30 × 140,932.10
  4. Step 4: Simplify right side
    229,505.60x = 48,424,593,703.83
  5. Step 5: Solve for x
    x = 48,424,593,703.83/229,505.60
  6. Step 6: Final answer
    x = 210,995.26

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.