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Finding the Fourth Proportional to 237,507.22, 327,760.17 and 128,611.22

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Solution

The fourth proportional to 237,507.22, 327,760.17 and 128,611.22 is: 177,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,507.22 : 327,760.17 = 128,611.22 : x
  2. Step 2: Convert to fraction form
    237,507.22/327,760.17 = 128,611.22/x
  3. Step 3: Cross multiply
    237,507.22x = 327,760.17 × 128,611.22
  4. Step 4: Simplify right side
    237,507.22x = 42,153,635,331.11
  5. Step 5: Solve for x
    x = 42,153,635,331.11/237,507.22
  6. Step 6: Final answer
    x = 177,483.60

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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.