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Finding the Fourth Proportional to 132,236.54, 182,486.80 and 71,808.20

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Solution

The fourth proportional to 132,236.54, 182,486.80 and 71,808.20 is: 99,095.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,236.54 : 182,486.80 = 71,808.20 : x
  2. Step 2: Convert to fraction form
    132,236.54/182,486.80 = 71,808.20/x
  3. Step 3: Cross multiply
    132,236.54x = 182,486.80 × 71,808.20
  4. Step 4: Simplify right side
    132,236.54x = 13,104,048,493.41
  5. Step 5: Solve for x
    x = 13,104,048,493.41/132,236.54
  6. Step 6: Final answer
    x = 99,095.52

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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.