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Finding the Fourth Proportional to 230,617.64, 346,039.46 and 154,763.98

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Solution

The fourth proportional to 230,617.64, 346,039.46 and 154,763.98 is: 232,221.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,617.64 : 346,039.46 = 154,763.98 : x
  2. Step 2: Convert to fraction form
    230,617.64/346,039.46 = 154,763.98/x
  3. Step 3: Cross multiply
    230,617.64x = 346,039.46 × 154,763.98
  4. Step 4: Simplify right side
    230,617.64x = 53,554,444,066.65
  5. Step 5: Solve for x
    x = 53,554,444,066.65/230,617.64
  6. Step 6: Final answer
    x = 232,221.80

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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.