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Finding the Fourth Proportional to 229,614.80, 343,807.80 and 146,056.40

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Solution

The fourth proportional to 229,614.80, 343,807.80 and 146,056.40 is: 218,693.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,614.80 : 343,807.80 = 146,056.40 : x
  2. Step 2: Convert to fraction form
    229,614.80/343,807.80 = 146,056.40/x
  3. Step 3: Cross multiply
    229,614.80x = 343,807.80 × 146,056.40
  4. Step 4: Simplify right side
    229,614.80x = 50,215,329,559.92
  5. Step 5: Solve for x
    x = 50,215,329,559.92/229,614.80
  6. Step 6: Final answer
    x = 218,693.78

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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.