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Finding the Fourth Proportional to 183,919.20, 275,878.80 and 65,594.40

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Solution

The fourth proportional to 183,919.20, 275,878.80 and 65,594.40 is: 98,391.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,919.20 : 275,878.80 = 65,594.40 : x
  2. Step 2: Convert to fraction form
    183,919.20/275,878.80 = 65,594.40/x
  3. Step 3: Cross multiply
    183,919.20x = 275,878.80 × 65,594.40
  4. Step 4: Simplify right side
    183,919.20x = 18,096,104,358.72
  5. Step 5: Solve for x
    x = 18,096,104,358.72/183,919.20
  6. Step 6: Final answer
    x = 98,391.60

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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.