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Finding the Fourth Proportional to 207,300.23, 310,452.03 and 118,283.85

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Solution

The fourth proportional to 207,300.23, 310,452.03 and 118,283.85 is: 177,141.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,300.23 : 310,452.03 = 118,283.85 : x
  2. Step 2: Convert to fraction form
    207,300.23/310,452.03 = 118,283.85/x
  3. Step 3: Cross multiply
    207,300.23x = 310,452.03 × 118,283.85
  4. Step 4: Simplify right side
    207,300.23x = 36,721,461,348.72
  5. Step 5: Solve for x
    x = 36,721,461,348.72/207,300.23
  6. Step 6: Final answer
    x = 177,141.44

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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.