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Finding the Fourth Proportional to 236,666.88, 355,233.60 and 143,354.88

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Solution

The fourth proportional to 236,666.88, 355,233.60 and 143,354.88 is: 215,173.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,666.88 : 355,233.60 = 143,354.88 : x
  2. Step 2: Convert to fraction form
    236,666.88/355,233.60 = 143,354.88/x
  3. Step 3: Cross multiply
    236,666.88x = 355,233.60 × 143,354.88
  4. Step 4: Simplify right side
    236,666.88x = 50,924,470,099.97
  5. Step 5: Solve for x
    x = 50,924,470,099.97/236,666.88
  6. Step 6: Final answer
    x = 215,173.62

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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.