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Finding the Fourth Proportional to 237,410.82, 327,626.95 and 129,980.86

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Solution

The fourth proportional to 237,410.82, 327,626.95 and 129,980.86 is: 179,373.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,410.82 : 327,626.95 = 129,980.86 : x
  2. Step 2: Convert to fraction form
    237,410.82/327,626.95 = 129,980.86/x
  3. Step 3: Cross multiply
    237,410.82x = 327,626.95 × 129,980.86
  4. Step 4: Simplify right side
    237,410.82x = 42,585,232,720.18
  5. Step 5: Solve for x
    x = 42,585,232,720.18/237,410.82
  6. Step 6: Final answer
    x = 179,373.60

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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.