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Finding the Fourth Proportional to 100,188.94, 150,184.58 and 55,836.58

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Solution

The fourth proportional to 100,188.94, 150,184.58 and 55,836.58 is: 83,699.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,188.94 : 150,184.58 = 55,836.58 : x
  2. Step 2: Convert to fraction form
    100,188.94/150,184.58 = 55,836.58/x
  3. Step 3: Cross multiply
    100,188.94x = 150,184.58 × 55,836.58
  4. Step 4: Simplify right side
    100,188.94x = 8,385,793,315.94
  5. Step 5: Solve for x
    x = 8,385,793,315.94/100,188.94
  6. Step 6: Final answer
    x = 83,699.79

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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.