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Finding the Fourth Proportional to 237,055.68, 327,137.16 and 129,626.16

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Solution

The fourth proportional to 237,055.68, 327,137.16 and 129,626.16 is: 178,884.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,055.68 : 327,137.16 = 129,626.16 : x
  2. Step 2: Convert to fraction form
    237,055.68/327,137.16 = 129,626.16/x
  3. Step 3: Cross multiply
    237,055.68x = 327,137.16 × 129,626.16
  4. Step 4: Simplify right side
    237,055.68x = 42,405,533,844.11
  5. Step 5: Solve for x
    x = 42,405,533,844.11/237,055.68
  6. Step 6: Final answer
    x = 178,884.28

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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.