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Finding the Fourth Proportional to 237,676.48, 328,142.68 and 152,940.80

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Solution

The fourth proportional to 237,676.48, 328,142.68 and 152,940.80 is: 211,154.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,676.48 : 328,142.68 = 152,940.80 : x
  2. Step 2: Convert to fraction form
    237,676.48/328,142.68 = 152,940.80/x
  3. Step 3: Cross multiply
    237,676.48x = 328,142.68 × 152,940.80
  4. Step 4: Simplify right side
    237,676.48x = 50,186,403,993.34
  5. Step 5: Solve for x
    x = 50,186,403,993.34/237,676.48
  6. Step 6: Final answer
    x = 211,154.27

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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.