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Finding the Fourth Proportional to 263,750.33, 363,975.54 and 142,892.45

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Solution

The fourth proportional to 263,750.33, 363,975.54 and 142,892.45 is: 197,191.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,750.33 : 363,975.54 = 142,892.45 : x
  2. Step 2: Convert to fraction form
    263,750.33/363,975.54 = 142,892.45/x
  3. Step 3: Cross multiply
    263,750.33x = 363,975.54 × 142,892.45
  4. Step 4: Simplify right side
    263,750.33x = 52,009,356,650.67
  5. Step 5: Solve for x
    x = 52,009,356,650.67/263,750.33
  6. Step 6: Final answer
    x = 197,191.63

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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.