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Finding the Fourth Proportional to 185,109.45, 277,664.18 and 60,450.45

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Solution

The fourth proportional to 185,109.45, 277,664.18 and 60,450.45 is: 90,675.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,109.45 : 277,664.18 = 60,450.45 : x
  2. Step 2: Convert to fraction form
    185,109.45/277,664.18 = 60,450.45/x
  3. Step 3: Cross multiply
    185,109.45x = 277,664.18 × 60,450.45
  4. Step 4: Simplify right side
    185,109.45x = 16,784,924,327.63
  5. Step 5: Solve for x
    x = 16,784,924,327.63/185,109.45
  6. Step 6: Final answer
    x = 90,675.68

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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.