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Finding the Fourth Proportional to 349,996.96, 525,003.52 and 125,372.80

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Solution

The fourth proportional to 349,996.96, 525,003.52 and 125,372.80 is: 188,062.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,996.96 : 525,003.52 = 125,372.80 : x
  2. Step 2: Convert to fraction form
    349,996.96/525,003.52 = 125,372.80/x
  3. Step 3: Cross multiply
    349,996.96x = 525,003.52 × 125,372.80
  4. Step 4: Simplify right side
    349,996.96x = 65,821,161,312.26
  5. Step 5: Solve for x
    x = 65,821,161,312.26/349,996.96
  6. Step 6: Final answer
    x = 188,062.09

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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.