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Finding the Fourth Proportional to 137,420.44, 206,082.04 and 65,364.88

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Solution

The fourth proportional to 137,420.44, 206,082.04 and 65,364.88 is: 98,024.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,420.44 : 206,082.04 = 65,364.88 : x
  2. Step 2: Convert to fraction form
    137,420.44/206,082.04 = 65,364.88/x
  3. Step 3: Cross multiply
    137,420.44x = 206,082.04 × 65,364.88
  4. Step 4: Simplify right side
    137,420.44x = 13,470,527,814.76
  5. Step 5: Solve for x
    x = 13,470,527,814.76/137,420.44
  6. Step 6: Final answer
    x = 98,024.19

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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.