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Finding the Fourth Proportional to 243,850.18, 365,930.80 and 103,608.82

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Solution

The fourth proportional to 243,850.18, 365,930.80 and 103,608.82 is: 155,479.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,850.18 : 365,930.80 = 103,608.82 : x
  2. Step 2: Convert to fraction form
    243,850.18/365,930.80 = 103,608.82/x
  3. Step 3: Cross multiply
    243,850.18x = 365,930.80 × 103,608.82
  4. Step 4: Simplify right side
    243,850.18x = 37,913,658,389.66
  5. Step 5: Solve for x
    x = 37,913,658,389.66/243,850.18
  6. Step 6: Final answer
    x = 155,479.31

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1.5x scale

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.