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Finding the Fourth Proportional to 183,907.20, 275,860.80 and 109,257.60

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Solution

The fourth proportional to 183,907.20, 275,860.80 and 109,257.60 is: 163,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,907.20 : 275,860.80 = 109,257.60 : x
  2. Step 2: Convert to fraction form
    183,907.20/275,860.80 = 109,257.60/x
  3. Step 3: Cross multiply
    183,907.20x = 275,860.80 × 109,257.60
  4. Step 4: Simplify right side
    183,907.20x = 30,139,888,942.08
  5. Step 5: Solve for x
    x = 30,139,888,942.08/183,907.20
  6. Step 6: Final answer
    x = 163,886.40

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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.