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Finding the Fourth Proportional to 150,090.66, 225,135.95 and 56,574.54

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Solution

The fourth proportional to 150,090.66, 225,135.95 and 56,574.54 is: 84,861.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,090.66 : 225,135.95 = 56,574.54 : x
  2. Step 2: Convert to fraction form
    150,090.66/225,135.95 = 56,574.54/x
  3. Step 3: Cross multiply
    150,090.66x = 225,135.95 × 56,574.54
  4. Step 4: Simplify right side
    150,090.66x = 12,736,962,525.84
  5. Step 5: Solve for x
    x = 12,736,962,525.84/150,090.66
  6. Step 6: Final answer
    x = 84,861.79

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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.