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Finding the Fourth Proportional to 183,487.90, 275,231.85 and 155,494.30

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Solution

The fourth proportional to 183,487.90, 275,231.85 and 155,494.30 is: 233,241.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,487.90 : 275,231.85 = 155,494.30 : x
  2. Step 2: Convert to fraction form
    183,487.90/275,231.85 = 155,494.30/x
  3. Step 3: Cross multiply
    183,487.90x = 275,231.85 × 155,494.30
  4. Step 4: Simplify right side
    183,487.90x = 42,796,983,853.46
  5. Step 5: Solve for x
    x = 42,796,983,853.46/183,487.90
  6. Step 6: Final answer
    x = 233,241.45

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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.