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Finding the Fourth Proportional to 149,215.20, 223,822.80 and 125,595.60

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Solution

The fourth proportional to 149,215.20, 223,822.80 and 125,595.60 is: 188,393.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,215.20 : 223,822.80 = 125,595.60 : x
  2. Step 2: Convert to fraction form
    149,215.20/223,822.80 = 125,595.60/x
  3. Step 3: Cross multiply
    149,215.20x = 223,822.80 × 125,595.60
  4. Step 4: Simplify right side
    149,215.20x = 28,111,158,859.68
  5. Step 5: Solve for x
    x = 28,111,158,859.68/149,215.20
  6. Step 6: Final answer
    x = 188,393.40

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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.