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Finding the Fourth Proportional to 237,663.40, 355,998.30 and 111,411.40

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Solution

The fourth proportional to 237,663.40, 355,998.30 and 111,411.40 is: 166,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,663.40 : 355,998.30 = 111,411.40 : x
  2. Step 2: Convert to fraction form
    237,663.40/355,998.30 = 111,411.40/x
  3. Step 3: Cross multiply
    237,663.40x = 355,998.30 × 111,411.40
  4. Step 4: Simplify right side
    237,663.40x = 39,662,269,000.62
  5. Step 5: Solve for x
    x = 39,662,269,000.62/237,663.40
  6. Step 6: Final answer
    x = 166,884.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.