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Finding the Fourth Proportional to 237,221.40, 355,832.10 and 79,433.40

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Solution

The fourth proportional to 237,221.40, 355,832.10 and 79,433.40 is: 119,150.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,221.40 : 355,832.10 = 79,433.40 : x
  2. Step 2: Convert to fraction form
    237,221.40/355,832.10 = 79,433.40/x
  3. Step 3: Cross multiply
    237,221.40x = 355,832.10 × 79,433.40
  4. Step 4: Simplify right side
    237,221.40x = 28,264,953,532.14
  5. Step 5: Solve for x
    x = 28,264,953,532.14/237,221.40
  6. Step 6: Final answer
    x = 119,150.10

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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.