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Finding the Fourth Proportional to 150,342.88, 225,527.64 and 39,534.88

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Solution

The fourth proportional to 150,342.88, 225,527.64 and 39,534.88 is: 59,305.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,342.88 : 225,527.64 = 39,534.88 : x
  2. Step 2: Convert to fraction form
    150,342.88/225,527.64 = 39,534.88/x
  3. Step 3: Cross multiply
    150,342.88x = 225,527.64 × 39,534.88
  4. Step 4: Simplify right side
    150,342.88x = 8,916,206,858.77
  5. Step 5: Solve for x
    x = 8,916,206,858.77/150,342.88
  6. Step 6: Final answer
    x = 59,305.82

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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.