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Finding the Fourth Proportional to 183,445.70, 275,168.55 and 153,921.20

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Solution

The fourth proportional to 183,445.70, 275,168.55 and 153,921.20 is: 230,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,445.70 : 275,168.55 = 153,921.20 : x
  2. Step 2: Convert to fraction form
    183,445.70/275,168.55 = 153,921.20/x
  3. Step 3: Cross multiply
    183,445.70x = 275,168.55 × 153,921.20
  4. Step 4: Simplify right side
    183,445.70x = 42,354,273,418.26
  5. Step 5: Solve for x
    x = 42,354,273,418.26/183,445.70
  6. Step 6: Final answer
    x = 230,881.80

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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.