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Finding the Fourth Proportional to 150,455.60, 225,769.80 and 57,028.40

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Solution

The fourth proportional to 150,455.60, 225,769.80 and 57,028.40 is: 85,575.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,455.60 : 225,769.80 = 57,028.40 : x
  2. Step 2: Convert to fraction form
    150,455.60/225,769.80 = 57,028.40/x
  3. Step 3: Cross multiply
    150,455.60x = 225,769.80 × 57,028.40
  4. Step 4: Simplify right side
    150,455.60x = 12,875,290,462.32
  5. Step 5: Solve for x
    x = 12,875,290,462.32/150,455.60
  6. Step 6: Final answer
    x = 85,575.35

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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.