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Finding the Fourth Proportional to 207,310.44, 310,467.40 and 118,294.10

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Solution

The fourth proportional to 207,310.44, 310,467.40 and 118,294.10 is: 177,156.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,310.44 : 310,467.40 = 118,294.10 : x
  2. Step 2: Convert to fraction form
    207,310.44/310,467.40 = 118,294.10/x
  3. Step 3: Cross multiply
    207,310.44x = 310,467.40 × 118,294.10
  4. Step 4: Simplify right side
    207,310.44x = 36,726,461,662.34
  5. Step 5: Solve for x
    x = 36,726,461,662.34/207,310.44
  6. Step 6: Final answer
    x = 177,156.84

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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.