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Finding the Fourth Proportional to 123,852.58, 170,915.59 and 67,263.95

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Solution

The fourth proportional to 123,852.58, 170,915.59 and 67,263.95 is: 92,823.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,852.58 : 170,915.59 = 67,263.95 : x
  2. Step 2: Convert to fraction form
    123,852.58/170,915.59 = 67,263.95/x
  3. Step 3: Cross multiply
    123,852.58x = 170,915.59 × 67,263.95
  4. Step 4: Simplify right side
    123,852.58x = 11,496,458,211.35
  5. Step 5: Solve for x
    x = 11,496,458,211.35/123,852.58
  6. Step 6: Final answer
    x = 92,823.73

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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.