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Finding the Fourth Proportional to 183,121.83, 274,784.81 and 98,880.21

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Solution

The fourth proportional to 183,121.83, 274,784.81 and 98,880.21 is: 148,375.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,121.83 : 274,784.81 = 98,880.21 : x
  2. Step 2: Convert to fraction form
    183,121.83/274,784.81 = 98,880.21/x
  3. Step 3: Cross multiply
    183,121.83x = 274,784.81 × 98,880.21
  4. Step 4: Simplify right side
    183,121.83x = 27,170,779,223.21
  5. Step 5: Solve for x
    x = 27,170,779,223.21/183,121.83
  6. Step 6: Final answer
    x = 148,375.42

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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.