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Finding the Fourth Proportional to 233,175.20, 349,762.80 and 75,419.60

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Solution

The fourth proportional to 233,175.20, 349,762.80 and 75,419.60 is: 113,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,175.20 : 349,762.80 = 75,419.60 : x
  2. Step 2: Convert to fraction form
    233,175.20/349,762.80 = 75,419.60/x
  3. Step 3: Cross multiply
    233,175.20x = 349,762.80 × 75,419.60
  4. Step 4: Simplify right side
    233,175.20x = 26,378,970,470.88
  5. Step 5: Solve for x
    x = 26,378,970,470.88/233,175.20
  6. Step 6: Final answer
    x = 113,129.40

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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.