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Finding the Fourth Proportional to 237,996.54, 328,418.55 and 130,564.08

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Solution

The fourth proportional to 237,996.54, 328,418.55 and 130,564.08 is: 180,169.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,996.54 : 328,418.55 = 130,564.08 : x
  2. Step 2: Convert to fraction form
    237,996.54/328,418.55 = 130,564.08/x
  3. Step 3: Cross multiply
    237,996.54x = 328,418.55 × 130,564.08
  4. Step 4: Simplify right side
    237,996.54x = 42,879,665,835.68
  5. Step 5: Solve for x
    x = 42,879,665,835.68/237,996.54
  6. Step 6: Final answer
    x = 180,169.28

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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.