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Finding the Fourth Proportional to 183,480.90, 275,221.35 and 155,487.30

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Solution

The fourth proportional to 183,480.90, 275,221.35 and 155,487.30 is: 233,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,480.90 : 275,221.35 = 155,487.30 : x
  2. Step 2: Convert to fraction form
    183,480.90/275,221.35 = 155,487.30/x
  3. Step 3: Cross multiply
    183,480.90x = 275,221.35 × 155,487.30
  4. Step 4: Simplify right side
    183,480.90x = 42,793,424,613.86
  5. Step 5: Solve for x
    x = 42,793,424,613.86/183,480.90
  6. Step 6: Final answer
    x = 233,230.95

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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.