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Finding the Fourth Proportional to 242,238.50, 333,942.68 and 170,395.54

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Solution

The fourth proportional to 242,238.50, 333,942.68 and 170,395.54 is: 234,902.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,238.50 : 333,942.68 = 170,395.54 : x
  2. Step 2: Convert to fraction form
    242,238.50/333,942.68 = 170,395.54/x
  3. Step 3: Cross multiply
    242,238.50x = 333,942.68 × 170,395.54
  4. Step 4: Simplify right side
    242,238.50x = 56,902,343,287.65
  5. Step 5: Solve for x
    x = 56,902,343,287.65/242,238.50
  6. Step 6: Final answer
    x = 234,902.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.