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Finding the Fourth Proportional to 88,074.84, 132,221.16 and 83,424.74

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Solution

The fourth proportional to 88,074.84, 132,221.16 and 83,424.74 is: 125,240.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,074.84 : 132,221.16 = 83,424.74 : x
  2. Step 2: Convert to fraction form
    88,074.84/132,221.16 = 83,424.74/x
  3. Step 3: Cross multiply
    88,074.84x = 132,221.16 × 83,424.74
  4. Step 4: Simplify right side
    88,074.84x = 11,030,515,234.39
  5. Step 5: Solve for x
    x = 11,030,515,234.39/88,074.84
  6. Step 6: Final answer
    x = 125,240.25

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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.