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Finding the Fourth Proportional to 150,436.64, 225,596.64 and 80,277.68

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Solution

The fourth proportional to 150,436.64, 225,596.64 and 80,277.68 is: 120,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,436.64 : 225,596.64 = 80,277.68 : x
  2. Step 2: Convert to fraction form
    150,436.64/225,596.64 = 80,277.68/x
  3. Step 3: Cross multiply
    150,436.64x = 225,596.64 × 80,277.68
  4. Step 4: Simplify right side
    150,436.64x = 18,110,374,875.00
  5. Step 5: Solve for x
    x = 18,110,374,875.00/150,436.64
  6. Step 6: Final answer
    x = 120,385.40

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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.