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Finding the Fourth Proportional to 183,772.80, 275,140.80 and 178,588.80

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Solution

The fourth proportional to 183,772.80, 275,140.80 and 178,588.80 is: 267,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,772.80 : 275,140.80 = 178,588.80 : x
  2. Step 2: Convert to fraction form
    183,772.80/275,140.80 = 178,588.80/x
  3. Step 3: Cross multiply
    183,772.80x = 275,140.80 × 178,588.80
  4. Step 4: Simplify right side
    183,772.80x = 49,137,065,303.04
  5. Step 5: Solve for x
    x = 49,137,065,303.04/183,772.80
  6. Step 6: Final answer
    x = 267,379.42

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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.