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Finding the Fourth Proportional to 132,574.41, 182,950.79 and 72,958.41

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Solution

The fourth proportional to 132,574.41, 182,950.79 and 72,958.41 is: 100,681.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,574.41 : 182,950.79 = 72,958.41 : x
  2. Step 2: Convert to fraction form
    132,574.41/182,950.79 = 72,958.41/x
  3. Step 3: Cross multiply
    132,574.41x = 182,950.79 × 72,958.41
  4. Step 4: Simplify right side
    132,574.41x = 13,347,798,381.85
  5. Step 5: Solve for x
    x = 13,347,798,381.85/132,574.41
  6. Step 6: Final answer
    x = 100,681.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.