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Finding the Fourth Proportional to 229,626.80, 343,825.80 and 146,068.40

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Solution

The fourth proportional to 229,626.80, 343,825.80 and 146,068.40 is: 218,711.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,626.80 : 343,825.80 = 146,068.40 : x
  2. Step 2: Convert to fraction form
    229,626.80/343,825.80 = 146,068.40/x
  3. Step 3: Cross multiply
    229,626.80x = 343,825.80 × 146,068.40
  4. Step 4: Simplify right side
    229,626.80x = 50,222,084,484.72
  5. Step 5: Solve for x
    x = 50,222,084,484.72/229,626.80
  6. Step 6: Final answer
    x = 218,711.77

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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.