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Finding the Fourth Proportional to 146,525.20, 220,225.20 and 127,279.60

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Solution

The fourth proportional to 146,525.20, 220,225.20 and 127,279.60 is: 191,299.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,525.20 : 220,225.20 = 127,279.60 : x
  2. Step 2: Convert to fraction form
    146,525.20/220,225.20 = 127,279.60/x
  3. Step 3: Cross multiply
    146,525.20x = 220,225.20 × 127,279.60
  4. Step 4: Simplify right side
    146,525.20x = 28,030,175,365.92
  5. Step 5: Solve for x
    x = 28,030,175,365.92/146,525.20
  6. Step 6: Final answer
    x = 191,299.35

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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.