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Finding the Fourth Proportional to 263,165.50, 363,167.76 and 148,443.76

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Solution

The fourth proportional to 263,165.50, 363,167.76 and 148,443.76 is: 204,852.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,165.50 : 363,167.76 = 148,443.76 : x
  2. Step 2: Convert to fraction form
    263,165.50/363,167.76 = 148,443.76/x
  3. Step 3: Cross multiply
    263,165.50x = 363,167.76 × 148,443.76
  4. Step 4: Simplify right side
    263,165.50x = 53,909,987,805.18
  5. Step 5: Solve for x
    x = 53,909,987,805.18/263,165.50
  6. Step 6: Final answer
    x = 204,852.03

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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.