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Finding the Fourth Proportional to 237,775.83, 328,154.12 and 135,816.54

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Solution

The fourth proportional to 237,775.83, 328,154.12 and 135,816.54 is: 187,440.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,775.83 : 328,154.12 = 135,816.54 : x
  2. Step 2: Convert to fraction form
    237,775.83/328,154.12 = 135,816.54/x
  3. Step 3: Cross multiply
    237,775.83x = 328,154.12 × 135,816.54
  4. Step 4: Simplify right side
    237,775.83x = 44,568,754,845.29
  5. Step 5: Solve for x
    x = 44,568,754,845.29/237,775.83
  6. Step 6: Final answer
    x = 187,440.23

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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.