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Finding the Fourth Proportional to 132,153.39, 182,523.03 and 87,033.06

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Solution

The fourth proportional to 132,153.39, 182,523.03 and 87,033.06 is: 120,205.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,153.39 : 182,523.03 = 87,033.06 : x
  2. Step 2: Convert to fraction form
    132,153.39/182,523.03 = 87,033.06/x
  3. Step 3: Cross multiply
    132,153.39x = 182,523.03 × 87,033.06
  4. Step 4: Simplify right side
    132,153.39x = 15,885,537,821.37
  5. Step 5: Solve for x
    x = 15,885,537,821.37/132,153.39
  6. Step 6: Final answer
    x = 120,205.30

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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.