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Finding the Fourth Proportional to 237,551.29, 327,820.23 and 128,655.29

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Solution

The fourth proportional to 237,551.29, 327,820.23 and 128,655.29 is: 177,544.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,551.29 : 327,820.23 = 128,655.29 : x
  2. Step 2: Convert to fraction form
    237,551.29/327,820.23 = 128,655.29/x
  3. Step 3: Cross multiply
    237,551.29x = 327,820.23 × 128,655.29
  4. Step 4: Simplify right side
    237,551.29x = 42,175,807,578.07
  5. Step 5: Solve for x
    x = 42,175,807,578.07/237,551.29
  6. Step 6: Final answer
    x = 177,544.01

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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.