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Finding the Fourth Proportional to 132,951.55, 183,475.71 and 72,524.41

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Solution

The fourth proportional to 132,951.55, 183,475.71 and 72,524.41 is: 100,085.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,951.55 : 183,475.71 = 72,524.41 : x
  2. Step 2: Convert to fraction form
    132,951.55/183,475.71 = 72,524.41/x
  3. Step 3: Cross multiply
    132,951.55x = 183,475.71 × 72,524.41
  4. Step 4: Simplify right side
    132,951.55x = 13,306,467,986.47
  5. Step 5: Solve for x
    x = 13,306,467,986.47/132,951.55
  6. Step 6: Final answer
    x = 100,085.09

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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.