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Finding the Fourth Proportional to 242,273.60, 334,334.21 and 134,843.67

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Solution

The fourth proportional to 242,273.60, 334,334.21 and 134,843.67 is: 186,082.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,273.60 : 334,334.21 = 134,843.67 : x
  2. Step 2: Convert to fraction form
    242,273.60/334,334.21 = 134,843.67/x
  3. Step 3: Cross multiply
    242,273.60x = 334,334.21 × 134,843.67
  4. Step 4: Simplify right side
    242,273.60x = 45,082,851,208.73
  5. Step 5: Solve for x
    x = 45,082,851,208.73/242,273.60
  6. Step 6: Final answer
    x = 186,082.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.