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Finding the Fourth Proportional to 183,780.40, 275,524.80 and 100,674.40

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Solution

The fourth proportional to 183,780.40, 275,524.80 and 100,674.40 is: 150,931.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,780.40 : 275,524.80 = 100,674.40 : x
  2. Step 2: Convert to fraction form
    183,780.40/275,524.80 = 100,674.40/x
  3. Step 3: Cross multiply
    183,780.40x = 275,524.80 × 100,674.40
  4. Step 4: Simplify right side
    183,780.40x = 27,738,293,925.12
  5. Step 5: Solve for x
    x = 27,738,293,925.12/183,780.40
  6. Step 6: Final answer
    x = 150,931.73

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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.