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Finding the Fourth Proportional to 243,180.80, 365,001.60 and 149,868.80

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Solution

The fourth proportional to 243,180.80, 365,001.60 and 149,868.80 is: 224,945.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,180.80 : 365,001.60 = 149,868.80 : x
  2. Step 2: Convert to fraction form
    243,180.80/365,001.60 = 149,868.80/x
  3. Step 3: Cross multiply
    243,180.80x = 365,001.60 × 149,868.80
  4. Step 4: Simplify right side
    243,180.80x = 54,702,351,790.08
  5. Step 5: Solve for x
    x = 54,702,351,790.08/243,180.80
  6. Step 6: Final answer
    x = 224,945.19

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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.