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Finding the Fourth Proportional to 118,523.90, 163,578.03 and 67,554.95

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Solution

The fourth proportional to 118,523.90, 163,578.03 and 67,554.95 is: 93,234.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,523.90 : 163,578.03 = 67,554.95 : x
  2. Step 2: Convert to fraction form
    118,523.90/163,578.03 = 67,554.95/x
  3. Step 3: Cross multiply
    118,523.90x = 163,578.03 × 67,554.95
  4. Step 4: Simplify right side
    118,523.90x = 11,050,505,637.75
  5. Step 5: Solve for x
    x = 11,050,505,637.75/118,523.90
  6. Step 6: Final answer
    x = 93,234.41

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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.