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Finding the Fourth Proportional to 183,872.90, 275,663.55 and 100,766.90

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Solution

The fourth proportional to 183,872.90, 275,663.55 and 100,766.90 is: 151,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,872.90 : 275,663.55 = 100,766.90 : x
  2. Step 2: Convert to fraction form
    183,872.90/275,663.55 = 100,766.90/x
  3. Step 3: Cross multiply
    183,872.90x = 275,663.55 × 100,766.90
  4. Step 4: Simplify right side
    183,872.90x = 27,777,761,376.50
  5. Step 5: Solve for x
    x = 27,777,761,376.50/183,872.90
  6. Step 6: Final answer
    x = 151,070.45

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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.